/adei/trunk : revision 286

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<!--<<>><pages>

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<page id="0" title="">[[Main Page]][br]

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</page>

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<page id="1" title="Main Page">!ASEC Advanced Data Extraction Infrastracture of the ASEC

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Dear user, welcome to the ASEC Advanced Data Extraction Infrastructure! The ASEC ADEI is loaded and ready to work. Please, click on [u][b]"Data Source"[/b][/u] popup

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on the left sidebar and select the data [i][b]Source[/b][/i] and [i][b]Time[/b][/i] interval. Alternatively, you could use a pulldown [u][b]"Menu"[/b][/u] on the top

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of sidebar.

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Navigation through the data is feasible with mouse. Please, press and hold left mouse button to select region. Then click on the arrow button to zoom inside. The

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mouse wheel could be used to shift current window left.

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To [b]download[/b] selected data open [u][b]"Controls"[/b][/u] popup and choose [i][b]"Export"[/b][/i] tab. You will be able to get the data in the multiple supported

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formats. Please, Be patient, the preparation of data may take a while.

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More detail description, how to use ADEI, you can find in [b][[Users Guide]][/b]

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To find more information about ADEI system and report bugs, please, visit [url="http://dside.dyndns.org/adei"]project home page[/url].

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Below, you will find, [b]Description of the monitors[/b] and their data, presented in this site.

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{| border="1px"

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[u][b][[Aragats Research Station]] (40.47N, 44.18E, 3200m a.s.l.)[/b][/u] || [u][b][[SEVAN Monitors]][/b][/u]

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|-

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[[AMMM]] - Aragats Multichannel Muon Monitor [br]

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[[ArNM]] - Aragats Neutron Monitor [br]

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[[ASNT]] - Aragats Solar Neutron Telescope [br]

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[[Boltek EFM100 Aragats]] - Electric Field Monitor at Aragats [br]

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[[Boltek LD Aragats]] - Lightning Detector at Aragats [br]

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[[Cube]] - Monitor of the neutral cosmic ray fluxes [br]

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[[Lemi-417]] - Magnetotelluric Station (MTS) [br]

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[[MAKET]] - MAKET-ANI Extensive Air Shower Detector [br]

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[[NaI]] - NaI(Tl) Monitor [br]

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[[SEVAN Aragats]] - SEVAN network Monitor at Aragats [br]

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[[Stand]] - Monitor of low energy particles [br]

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[[Stand_3cm]] - Monitor with possibility to estimate energy of particles [br]

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[[Weather Station]] - Vantage Pro 2 Weather Station [br]

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[u][b][[NorAmberd Research Station]] (40.37N, 44.26E, 2000m a.s.l.)[/b][/u]

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[[Boltek EFM100 NorAmberd]] - Electric Field Monitor at NorAmbed [br]

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[[Boltek LD NorAmberd]] - Lightning Detector at NorAmbed [br]

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[[Magnetometer]] - Magnetotelluric Station (MTS) Lemi-018 [br]

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[[NAMMM]] - NorAmberd Multidirectional Muon Monitor [br]

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[[NANM]] - NorAmberd Neutron Monitor [br]

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[[SEVAN NorAmberd]] - SEVAN network Monitor at NorAmberd [br]

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[u][b][[Yerevan CRD headquarters]] (40.20N, 44.49E, 1090m a.s.l.)[/b][/u]

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[[Boltek EFM100 Yerevan]] - Electric Field Monitor at NorAmbed [br]

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[[Boltek LD Yerevan]] - Lightning Detector at NorAmbed [br]

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[[Cube_3cm]] - Magnetotelluric Station (MTS) [br]

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[[SEVAN Yerevan]] - SEVAN network Monitor at Yerevan [br]

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[[SEVAN Burakan]] - SEVAN network Monitor at Burakan [br]

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||

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[[SEVAN Aragats]] - SEVAN network Monitor at Aragats [br]

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[[SEVAN NorAmberd]] - SEVAN network Monitor at NorAmberd [br]

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[[SEVAN Yerevan]] - SEVAN network Monitor at Yerevan [br]

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[[SEVAN Burakan]] - SEVAN network Monitor at Burakan [br]

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[[SEVAN Moussala]] - SEVAN network Monitor at Moussala [br]

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[[SEVAN Zagreb]] - SEVAN network Monitor at Zagreb [br]

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[[SEVAN JNU]] - SEVAN network Monitor at New Delhi University [br] [br]

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[u][b]Data Overview[/b][/u] [br]

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[[Channel List]] - List of all available channels alphabetically [br]

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[[Group List]] - List of all available channels by groups [br]

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[[Graph Preview]] - Preview charts of available groups [br]

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[[Pressure Preview]] - Preview charts of Pressure Sensors [br]

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|}

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</page>

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<page id="2" title="Channel List">!Channel List | [[Main Page]]

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[channels_by_name]

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return back to [[Main Page]]

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</page>

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<page id="3" title="Group List">!Channel List | [[Main Page]]

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[channels_by_group]

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Return back to [[Main Page]]

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</page>

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<page id="4" title="Graph Preview">!Data Preview | [[Main Page]]

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[grouplist(width=320\&amp;height=240)]

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Return back to [[Main Page]]

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</page>

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<page id="5" title="Minutely Channel List">!Channel List of autogen/minutely | [[Main Page]]

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[channels_by_name(db_server=autogen\&amp;db_name=minutely)]

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return back to [[Main Page]]

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</page>

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<page id="6" title="Pressure Preview">!!Pressure Preview | [[Main Page]]

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Pressure for last [u][i][b]1 Hour[/b][/i][/u] [br]

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[preview(db_server=asec&amp;db_name=crd&amp;db_group=pressure_view&amp;db_mask=0&amp;width=600&amp;height=200&amp;window=3600), link]

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Pressure for last [u][i][b]6 Hour[/b][/i][/u] [br]

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[preview(db_server=asec&amp;db_name=crd&amp;db_group=pressure_view&amp;db_mask=0&amp;width=600&amp;height=200&amp;window=21600), link]

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Pressure for last [u][i][b]Day[/b][/i][/u] [br]

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[preview(db_server=asec&amp;db_name=crd&amp;db_group=pressure_view&amp;db_mask=0&amp;width=600&amp;height=200&amp;window=86400), link]

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Pressure for last [u][i][b]Week[/b][/i][/u] [br]

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[preview(db_server=asec&amp;db_name=crd&amp;db_group=pressure_view&amp;db_mask=0&amp;width=600&amp;height=200&amp;window=604800), link]

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Pressure for last [u][i][b]Month[/b][/i][/u] [br]

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[preview(db_server=asec&amp;db_name=crd&amp;db_group=pressure_view&amp;db_mask=0&amp;width=600&amp;height=200&amp;window=2592000), link]

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Pressure for last [u][i][b]Year[/b][/i][/u] [br]

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[preview(db_server=asec&amp;db_name=crd&amp;db_group=pressure_view&amp;db_mask=0&amp;width=600&amp;height=200&amp;window=31536000), link]

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[[Main Page]]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!About Aragats Research Station

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{| border="1px"

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[url="setups/asec/pictures/AragatsStation2009.jpg"][img]setups/asec/pictures/1200px-AragatsStation2009.jpg[/img][/url]

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[i][b]Figure 1:[/b] Aragats Station, altitude 3200m above sea level.[/i]

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|}

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Cosmic Ray research at high altitude stations on Mt. Aragats, Armenia, was founded by famous Armenian physicists, Alikhanyan brothers, in 1943. Research facilities are located on

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two high-altitude stations on Mt.Aragats, Nor-Amberd (40.37N, 44.26E, 2000m above sea level) Station and Aragats Station (40.47N, 44.18E, 3200m above sea level), and at CRD

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headquarters at A.I. Alikhanyan National Science Laboratory, Yerevan.

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Aragats Multichannel Muon Monitor (AMMM)

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The [b]A[/b]ragats [b]M[/b]ultichannel [b]M[/b]uon [b]M[/b]onitor ([b]AMMM[/b]) in operation at Aragats Station (40.47N, 44.18E, 3200m above sea level). AMMM consists

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from 2 layers of the scintillation detectors. 29 scintillation detectors (each detector have 1m surface and 5cm thickness), located on top of the top

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of ANI concrete calorimeter and 90 the same type detectors 14 m below (under 4m concrete and 7m soil), as shown in Figure 1 and Figure 2. Zenith angle between axes

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of AMMM and direction to South pole is ~-17. Count rate in the upper detectors is ~28000 counts per minute and variance ~170. Count rate of each of

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1m scintillators in the underground hall (high energy muons with energy threshold 5 GeV) is ~3000 counts per minute and variance ~55. The relative

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accuracy of 1-minute count rates of underground high energy muon detector is ~0.2%, of the low energy muons and electrons on surface ~ 0.12%.

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{| border="1px"

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[url="setups/asec/pictures/612px-AMMM.jpg"][img]setups/asec/pictures/350px-AMMM.jpg[/img][/url] ||

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[url="setups/asec/pictures/AMMM_fig2.png"][img]setups/asec/pictures/350px-AMMM_fig2.png[/img][/url]

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|-

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[i][b]Figure 1:[/b]Aragats Multidirectional Muon Monitor (AMMM).[/i] ||

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[i][b]Figure 2:[/b]Projection of the AMMM on the X-Y plane.[/i]

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|}

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Aragats Neutron Monitor (ArNM)

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[b]Ar[/b]agats [b]N[/b]eutron [b]M[/b]onitor ([b]ArNM[/b]) in operation at Aragats Station (40.47N, 44.18E, 3200m above sea level) since 2000 year. Neutron Monitore consist

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from NM-64 type 18 counter tubes (Moderator: Polyethylene, Reflector: Polyethylene, 3 sections by 6 counters). The monitor is equipped with electronics providing time

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integration of counts by three dead times. The first dead time equals to 400ns for collecting almost all secondary neutrons generated in the lead of NM. The second dead

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time is equal to the 0.25ms and the third one equal 1.25ms (as most of NM from world-wide network).

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{| border="1px"

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[url="setups/asec/pictures/800px-ArNM.jpg"][img]setups/asec/pictures/300px-ArNM.jpg[/img][/url] ||

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[preview(db_server=nmdb&amp;db_name=crd&amp;db_group=nmdb_filtered&amp;db_mask=4&amp;width=560&amp;height=300&amp;window=86400), link]

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|-

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[i][b]Figure 1:[/b] Aragats Neutron Monitor (ArNM).[/i] ||

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ArNM, Pressure corrected, Filtered data for last [u][i][b]Day[/b][/i][/u] [br]

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Aragats Solar Neutron Telescope (ASNT)

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[b]A[/b]ragats [b]S[/b]olar [b]N[/b]eutron [b]T[/b]elescope ([b]ASNT[/b]) located on the slope of the mountain Aragats (Armenia, 40.47N, 44.18E, 3200m above sea leve). ASNT is

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formed from 4 separate identical modules, as shown in Figure 1. Each module consists of standard slabs of 50x50x5cm^3 plastic scintillators stacked vertically on 2 layer

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of 4 50x50x5cm^3 horizontal plastic scintillator slabs. Scintillator slabs are fine polished to provide good optical contact of the assembly. The slab assembly (scintillator

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housing) is covered by white paper from the sides and bottom and firmly kept together with special belts. Total thickness of the assembly is 60cm. Four detectors of

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100x100x5cm^3 size each located above the thick scintillator assembly as is seen in Figure 1, are used to indicate if charged particle traverse near vertically. This

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information is used for selecting neutral particles and “vetoing” charged particles. A scintillator light capture cones and Photo Multiplier Tubes (large cathode, FEU 49 type)

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are located on the top of scintillator housing in special iron shielding, where as well the high voltage power supply and preamplifiere are located.

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{| border="1px"

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[url="setups/asec/pictures/678px-ASNT.jpg"][img]setups/asec/pictures/300px-ASNT.jpg[/img][/url]

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[i][b]Figure 1:[/b] The assembly of ASNT with enumeration of 8 measuring[/i][br]

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[i]channels (scintillators) and chart indicating orientation of detector[/i][br]

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[i]axes relative to direction to the North Pole.[/i]

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|}

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Initial goal of the ASNT was to be a part of the worldwide network aimed to detect neutrons born in photosphere and reach Earth bringing direct information from its origin.

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The network is coordinated by the Solar-Terrestrial laboratory of the Nagoya University and consists of seven same type detectors distributed at different longitudes to

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observe the sun 24 hours daily. In addition to the primary goal of detecting the direct neutron flux from the Sun, the SNT also has the possibility to detect charged fluxes

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(mostly muons and electrons) and roughly measure the direction of the incident muons. Also ASNT constitutes a central part of the new surface array to be in operation at

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Aragats in 2009 (see MAKET section). The main ASNT trigger reads and stores the analog signals (PMT outputs) from all 8 channels if at least one channel reports signal.

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The frequency of triggers is ~4 KHz due to hit of charged and neutral particles. Big advantage of ASNT is additional, so called, software triggers, exploiting the information

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from ADC (Analog to Digital Converter) on energy releases in scintillators.

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This, additional information, not assessable yet from other particle detectors from world-wide networks, allows as we will see, solving additional physical problems. The software triggers are not fixed in electronics and it is possible to remote add or change them very flexible. The list of available information from modernized ASNT is as follows:

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*1 minute count rates (easily can be changed to 10 seconds, or to another time span) of all 8 channels of ASNT.

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*Count rates from different incident directions separately, 16 possible coincidences of 4 upper and 4 bottom scintillators are related to 9 different directions.

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*Count rates of the special coincidences.

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*Histograms of energy releases in all 8 channels of ASNT.

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*The same as in previous point with invoking veto option.

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*Time and values of energy releases in ASNT channels conditioned on existence of signals in all 8 scintillators, so called, EAS trigger (accuracy of time stamp is ~50 µsec).

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*Energy releases in upper or bottom scintillators conditioned on absence of signal in correspondingly down and upper layers and on minimal energy release, i.e. horizontal muon trigger.

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*[b]columns 1-8[/b] - the count rates of all 8 ASNT channels: first 4 columns – from 60 cm scintillators, 5-8 columns – from 5 cm scintillator. The numbering of scintillators is explained in the Figure 1. The count rates are posted in the Table 1.

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*[b]columns 9-24[/b] – the count rates corresponding to the 16 coincidences in upper and bottom ASNT layers, i.e. – corresponding to the traversal of the single charged particle (the probability that neutron will generate energy release in 5 cm scintillator is rather small). The order of the different directions in the file is following: [1-5] [1-6] [1-7] [1-8] [2-5] [2-6] [2-7] [2-8] [3-5] [3-6] [3-7] [3-8] [4-5] [4-6] [4-7] [4-8], where the first number corresponds to the lower layer and the second – to the upper (see Figure 1) Also on the same Figure you can see the orientation of ASNT axes according to direction to the North Pole, thus we can calculate the interval of the horizontal angles of incidence related to each coincidence.

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*[b]columns 25-31[/b] – the count rates of the “special” coincidences different from listed above and forming the “full system” of possible configurations of the channel operation. Conditioned on the existing as minimum 1 signal in 8 ASNT channels there could be the following possibilities of number of counts in top and bottom layers (the first sign in the pair is corresponding to the bottom thick scintillator): many-many [m-m] (more than one count in 4 bottom and 4 top layers), many-zero [m-z] (more than 1 in bottom and nothing in 4 top), zero-many [z-m], zero-one [z-o], one-zero [o-z], many-one [m-o], one-many [o-m]. The fraction of the “special” coincidences relative to the “main” trigger is posted in the [[#DDD_table3|Table 3]] the time-series of the s “special” triggers are posted in the.

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*[b]columns 32[/b] - the number of the “main” triggers – at least one signal in 8 channels in preselected time span (1 minute). If we consider all logical configurations of ASNT operation outcomes, this number will be equal to sum of the columns 9-31. As we mention already the number of triggers is ~ 4 KHz, dependent on the hardware settings: PMT high voltage and threshold of channel “firing”.

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*[b]columns 33-40[/b] - the variances of 8 channels.

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Electric Field Monitor Boltek EFM100 Aragats

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{| border="1px"

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[url="setups/asec/pictures/800px-BoltekEFM-100_Yerevan.JPG"][img]setups/asec/pictures/300px-BoltekEFM-100_Yerevan.JPG[/img][/url]

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[i][b]Figure 1:[/b] Electric Field Monitor Boltek EFM100.[/i]

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|}

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Text

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Lightning Detector Boltek LD Aragats

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{| border="1px"

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[url="setups/asec/pictures/Anthand-t.jpg"][img]setups/asec/pictures/100px-Anthand-t.jpg[/img][/url]

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[i][b]Figure 1:[/b] Lightning Detector Boltek LD250.[/i]

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|}

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Page Under Construction.

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Cube

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[url="setups/asec/pictures/cube.jpg"][img]setups/asec/pictures/300px-cube.jpg[/img][/url]

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[i][b]Figure 1:[/b] Cube Monitor.[/i]

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Page Under Construction

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Magnetotelluric Station (MTS) Lemi-417

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{| border="1px"

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[url="setups/asec/pictures/LEMI-417.jpg"][img]setups/asec/pictures/LEMI-417.jpg[/img][/url]

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[i][b]Figure 1:[/b] Magnetotelluric Station (MTS) Lemi-417.[/i]

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Page Under Construction.

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!MAKET-ANI Extensive Air Shower Detector

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In the assembly of the ANI Cosmic Ray experiment (Danilova, et al., 1992), two detectors measuring the Extensive Air Showers (EAS) are operated on the Aragats research station. The main goal of the GAMMA (Garyaka, et al., 2002) and MAKET-ANI (Avakian, et al., 1986; Chilingarian, et al., 1999) detectors are to investigate the energy spectra of cosmic rays to understand the origin and accelerator mechanisms. Both detectors use the same particle density detection techniques to determine the number of electrons in the shower and infer the energy and type of the primary particle.

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{| border="1px"

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[url="setups/asec/pictures/800px-MAKET_ANI.jpg"][img]setups/asec/pictures/400px-MAKET_ANI.jpg[/img][/url]

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[i][b]Figure 1:[/b] MAKET-ANI Extensive Air Shower Detector.[/i]

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|}

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After obtaining and publishing final results of the MAKET-ANI (see Figure 10) experiment (Chilingarian, et al., 2007) the experiment was stopped for collecting high energy galactic cosmic rays. Some of the scintillators were used for rearranged smaller detector. Around the ASNT detector (consisted of four 60 cm thick scintillators and four 5 cm thick scintillators another 8 5 cm scintillators were arranged and attached to the 16 channel spectrum analyzer. We plan to test with this array new fast-timing technique to be used for new big array in Nor Amberd (Chilingarian, Hovsepyan, et al, 2007). Meanwhile new MAKET array provides following information:

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*1 minute count rates of all 16 channels of the MAKET (see Table 19);

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*Count rate of the EAS triggering 8 and all 16 detectors;

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*Estimates of the variances of count rates of each MAKET channel, variances are calculated by 12 five-second count rates (see Table 21);

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*16 x 16 correlation matrix of MAKET channels calculated by five-second count rates in 1 minute.

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In the directory “DEFOULT” following information is stored:

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*Columns 1-16 - the count rates of all 16 MAKET channels: first 4 columns – from 60 cm scintillators, 5-16 columns – from 5 cm scintillator. The count rates are posted in the Table 19;

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*Columns 17-18 – the count rates corresponding to the EAS initiated triggers. 17th column corresponds to the coincidence of the first 8 channels (ASNT scintillators), 18th column corresponding to the coincidence in all 16 channels. The count rates are posted in the Table 20;

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*Columns 19-34 – the variances of 16 channels, see Table 21;

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*Columns 35-154 – the correlation matrix.

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In the directories “spectrum” following information is stored:

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*spectrum1, … spectrum4 the histograms of the energy releases in thick 60 cm scintillator are stored. In files with extension;

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*spectrum5, … spectrum16 the histograms of energy releases in 5 cm thin scintillators are stored;

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In the CRD local server available files with following information:

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*In the files with “events” extension is related to the Extensive Air Showers (EAS). The logical software trigger selects events when signals are more than in 8 detectors.

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[f] [[Main Page]][/f]

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</page>

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[f] [[Main Page]][/f]

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!NaI(Tl) Monitor

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Page Under Construction.

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{| border="1px"

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[url="setups/asec/pictures/800px-MAKET_ANI.jpg"][img]setups/asec/pictures/400px-MAKET_ANI.jpg[/img][/url]

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|-

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[i][b]Figure 1:[/b] MAKET-ANI Extensive Air Shower Detector.[/i]

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|}

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Basic detecting unit of the SEVAN network at Aragats

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The basic detecting unit of the SEVAN network (see Figure 11) is assembled from standard slabs of 50x50x5cm plastic scintillators. Between 2 identical assemblies of 100x100x5m scintillators (four standard slabs) are located two 100x100x5cm lead absorbers and thick 50x50x25cm scintillator assembly (5 standard slabs). A scintillator light capture cone and [b]P[/b]hoto [b]M[/b]ultiplier [b]T[/b]ube ([b]PMT[/b]) are located on the top, bottom and the intermediate layers of detector. The detailed detector charts with all sizes are available from http://192.168.24.118/.

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{| border="1px"

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[url="setups/asec/pictures/566px-SEVAN.jpg"][img]setups/asec/pictures/300px-SEVAN.jpg[/img][/url]

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|-

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[i][b]Figure 1:[/b] The basic detecting unit of the SEVAN network.[/i]

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|}

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At the Nor-Amberd research station of ASEC we are starting tests of the operation of the SEVAN detector prototype (SEVAN #1) with slightly reduced sizes: area of upper and lower 5cm this scintillators are 0.65m, instead of 1m, and thickness of middle detector is 20cm, instead of 25cm. Also we establish the SEVAN detector prototype (SEVAN #2) in the Yerevan and in the Aragats (SEVAN #3). The dimensions of the upper and lower scintillaors are 1m, and thickness of middle detector is 20cm.

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Incoming neutral particles undergo nuclear reactions in the thick 25cm plastic scintillator and produce protons and other charged particles. In the upper 5cm thick scintillator charged particles are registered very effectively; however for the nuclear interactions of neutral particles there is not enough substance. When a neutral particle traverses the top thin (5cm) scintillator, usually no signal is produced. The absence of the signal in the upper scintillators, coinciding with the signal in the middle scintillator, points to neutral particle detection. The coincidence of signals from the top and bottom scintillators indicates traversal of high energy muons. Lead absorbers improve efficiency of the neutral flux detection and filtered low energy charged particles. SEVAN world-wide network will consist of modules located in Croatia, Bulgaria, India (to be installe din 2008), Slovakia, Costa-Rica and Indonesia (to be installed in 2009). We present data from SEVAN module operated at Nor Amberd research station, another module is under construction in Yerevan at altitude 1000m in CRD headquarters

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!!Structure of the information content from SEVAN detector

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The following information is providing by SEVAN detector:

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*Count rates from the all 3 layers (see Table 16).

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*Count rates of the all coincidences of upper, middle and lower detectors (see Table 16 and Table 17).

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*Correlation matrix between all detected signals (Table 18)

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In the directory “DEFAULT” the following information is stored:

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*columns 1-3 - the count rates of all channels of the SEVAN. The count rates are posted in the Table 16;

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*column 4 unused (this channel we can use as input of the atmospheric pressure sensor).

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*columns 5-8 – the count rates of the coincidences of the all channels of the SEVAN. If we denote by the sign “1” signal from scintillator, and by sign “0” absence of signal, following combinations of the 3-layered detector output are stored: 110, 101, 011, 111 (see Table 16).

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Stand

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Stand is assembled from standard slabs of 50x50x5cm plastic scintillators. Between 2 identical assemblies of 100x100x5m scintillators (four standard slabs) are located two 100x100x5cm lead absorbers and thick 50x50x25cm scintillator assembly (5 standard slabs). A scintillator light capture cone and [b]P[/b]hoto [b]M[/b]ultiplier [b]T[/b]ube ([b]PMT[/b]) are located on the top, bottom and the intermediate layers of detector. The detailed detector charts with all sizes are available from http://192.168.24.118/.

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{| border="1px"

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[url="setups/asec/pictures/stand.jpg"][img]setups/asec/pictures/300px-stand.jpg[/img][/url]

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|-

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[i][b]Figure 1:[/b] Stand Monitor.[/i]

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|}

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At the Nor-Amberd research station of ASEC we are starting tests of the operation of the SEVAN detector prototype (SEVAN #1) with slightly reduced sizes: area of upper and lower 5cm this scintillators are 0.65m, instead of 1m, and thickness of middle detector is 20cm, instead of 25cm. Also we establish the SEVAN detector prototype (SEVAN #2) in the Yerevan and in the Aragats (SEVAN #3). The dimensions of the upper and lower scintillaors are 1m, and thickness of middle detector is 20cm.

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Incoming neutral particles undergo nuclear reactions in the thick 25cm plastic scintillator and produce protons and other charged particles. In the upper 5cm thick scintillator charged particles are registered very effectively; however for the nuclear interactions of neutral particles there is not enough substance. When a neutral particle traverses the top thin (5cm) scintillator, usually no signal is produced. The absence of the signal in the upper scintillators, coinciding with the signal in the middle scintillator, points to neutral particle detection. The coincidence of signals from the top and bottom scintillators indicates traversal of high energy muons. Lead absorbers improve efficiency of the neutral flux detection and filtered low energy charged particles. SEVAN world-wide network will consist of modules located in Croatia, Bulgaria, India (to be installe din 2008), Slovakia, Costa-Rica and Indonesia (to be installed in 2009). We present data from SEVAN module operated at Nor Amberd research station, another module is under construction in Yerevan at altitude 1000m in CRD headquarters

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!!Structure of the information content from SEVAN detector

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The following information is providing by SEVAN detector:

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*Count rates from the all 3 layers (see Table 16).

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*Count rates of the all coincidences of upper, middle and lower detectors (see Table 16 and Table 17).

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*Correlation matrix between all detected signals (Table 18)

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In the directory “DEFAULT” the following information is stored:

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*columns 1-3 - the count rates of all channels of the SEVAN. The count rates are posted in the Table 16;

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*column 4 unused (this channel we can use as input of the atmospheric pressure sensor).

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*columns 5-8 – the count rates of the coincidences of the all channels of the SEVAN. If we denote by the sign “1” signal from scintillator, and by sign “0” absence of signal, following combinations of the 3-layered detector output are stored: 110, 101, 011, 111 (see Table 16).

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Stand_3cm

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Page under construction.

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Vantage Pro 2 Weather Station

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Page Under Construction.

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!About NorAmberd Research Station

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{| border="1px"

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[url="setups/asec/pictures/AragatsStation2009.jpg"][img]setups/asec/pictures/1200px-AragatsStation2009.jpg[/img][/url]

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|-

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[i][b]Figure 1:[/b] Aragats Station, altitude 3200m above sea level.[/i]

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|}

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Page Under Construction.

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Cosmic Ray research at high altitude stations on Mt. Aragats, Armenia, was founded by famous Armenian physicists, Alikhanyan brothers, in 1943. Research facilities are located on

606

two high-altitude stations on Mt.Aragats, Nor-Amberd (40.37N, 44.26E, 2000m above sea level) Station and Aragats Station (40.47N, 44.18E, 3200m above sea level), and at CRD

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headquarters at A.I. Alikhanyan National Science Laboratory, Yerevan.

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!NorAmberd Multidirectional Muon Monitor (NAMMM)

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Page Under Construction.

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{| border="1px"

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[url="setups/asec/pictures/612px-AMMM.jpg"][img]setups/asec/pictures/350px-AMMM.jpg[/img][/url] ||

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[url="setups/asec/pictures/AMMM_fig2.png"][img]setups/asec/pictures/350px-AMMM_fig2.png[/img][/url]

632

|-

633

[i][b]Figure 1:[/b]Aragats Multidirectional Muon Monitor (AMMM).[/i] ||

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[i][b]Figure 2:[/b]Projection of the AMMM on the X-Y plane.[/i]

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|}

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!NorAmberd Neutron Monitor (NANM)

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Page Under Construction.

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[b]Ar[/b]agats [b]N[/b]eutron [b]M[/b]onitor ([b]ArNM[/b]) in operation at Aragats Station (40.47N, 44.18E, 3200m above sea level) since 2000 year. Neutron Monitore consist

657

from NM-64 type 18 counter tubes (Moderator: Polyethylene, Reflector: Polyethylene, 3 sections by 6 counters). The monitor is equipped with electronics providing time

658

integration of counts by three dead times. The first dead time equals to 400ns for collecting almost all secondary neutrons generated in the lead of NM. The second dead

659

time is equal to the 0.25ms and the third one equal 1.25ms (as most of NM from world-wide network).

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{| border="1px"

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[url="setups/asec/pictures/800px-ArNM.jpg"][img]setups/asec/pictures/300px-ArNM.jpg[/img][/url]

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|-

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[i][b]Figure 1:[/b] Aragats Neutron Monitor (ArNM).[/i]

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|}

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Basic detecting unit of the SEVAN network at NorAmberd

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Page Under Construction.

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The basic detecting unit of the SEVAN network (see Figure 11) is assembled from standard slabs of 50x50x5cm plastic scintillators. Between 2 identical assemblies of 100x100x5m scintillators (four standard slabs) are located two 100x100x5cm lead absorbers and thick 50x50x25cm scintillator assembly (5 standard slabs). A scintillator light capture cone and [b]P[/b]hoto [b]M[/b]ultiplier [b]T[/b]ube ([b]PMT[/b]) are located on the top, bottom and the intermediate layers of detector. The detailed detector charts with all sizes are available from http://192.168.24.118/.

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{| border="1px"

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[url="setups/asec/pictures/566px-SEVAN.jpg"][img]setups/asec/pictures/300px-SEVAN.jpg[/img][/url]

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|-

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[i][b]Figure 1:[/b] The basic detecting unit of the SEVAN network.[/i]

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|}

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At the Nor-Amberd research station of ASEC we are starting tests of the operation of the SEVAN detector prototype (SEVAN #1) with slightly reduced sizes: area of upper and lower 5cm this scintillators are 0.65m, instead of 1m, and thickness of middle detector is 20cm, instead of 25cm. Also we establish the SEVAN detector prototype (SEVAN #2) in the Yerevan and in the Aragats (SEVAN #3). The dimensions of the upper and lower scintillaors are 1m, and thickness of middle detector is 20cm.

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Incoming neutral particles undergo nuclear reactions in the thick 25cm plastic scintillator and produce protons and other charged particles. In the upper 5cm thick scintillator charged particles are registered very effectively; however for the nuclear interactions of neutral particles there is not enough substance. When a neutral particle traverses the top thin (5cm) scintillator, usually no signal is produced. The absence of the signal in the upper scintillators, coinciding with the signal in the middle scintillator, points to neutral particle detection. The coincidence of signals from the top and bottom scintillators indicates traversal of high energy muons. Lead absorbers improve efficiency of the neutral flux detection and filtered low energy charged particles. SEVAN world-wide network will consist of modules located in Croatia, Bulgaria, India (to be installe din 2008), Slovakia, Costa-Rica and Indonesia (to be installed in 2009). We present data from SEVAN module operated at Nor Amberd research station, another module is under construction in Yerevan at altitude 1000m in CRD headquarters

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!!Structure of the information content from SEVAN detector

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The following information is providing by SEVAN detector:

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*Count rates from the all 3 layers (see Table 16).

704

*Count rates of the all coincidences of upper, middle and lower detectors (see Table 16 and Table 17).

705

*Correlation matrix between all detected signals (Table 18)

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In the directory “DEFAULT” the following information is stored:

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*columns 1-3 - the count rates of all channels of the SEVAN. The count rates are posted in the Table 16;

710

*column 4 unused (this channel we can use as input of the atmospheric pressure sensor).

711

*columns 5-8 – the count rates of the coincidences of the all channels of the SEVAN. If we denote by the sign “1” signal from scintillator, and by sign “0” absence of signal, following combinations of the 3-layered detector output are stored: 110, 101, 011, 111 (see Table 16).

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Magnetometer.

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Page Unter Construction.

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{| border="1px"

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[url="setups/asec/pictures/LEMI-417.jpg"][img]setups/asec/pictures/LEMI-417.jpg[/img][/url]

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|-

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[i][b]Figure 1:[/b] Magnetotelluric Station (MTS) Lemi-417.[/i]

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|}

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Text

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Electric Field Monitor Boltek EFM100 NorAmberd

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Page Under Construction.

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{| border="1px"

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[url="setups/asec/pictures/800px-BoltekEFM-100_Yerevan.JPG"][img]setups/asec/pictures/300px-BoltekEFM-100_Yerevan.JPG[/img][/url]

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|-

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[i][b]Figure 1:[/b] Electric Field Monitor Boltek EFM100.[/i]

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|}

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Text

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Lightning Detector Boltek LD NorAmberd

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Page Under Construction.

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{| border="1px"

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[url="setups/asec/pictures/Anthand-t.jpg"][img]setups/asec/pictures/100px-Anthand-t.jpg[/img][/url]

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|-

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[i][b]Figure 1:[/b] Lightning Detector Boltek LD250.[/i]

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|}

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Page Under Construction.

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!About CRD headquarters at Yerevan

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Page Under Construction.

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{| border="1px"

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[url="setups/asec/pictures/AragatsStation2009.jpg"][img]setups/asec/pictures/1200px-AragatsStation2009.jpg[/img][/url]

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|-

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[i][b]Figure 1:[/b] Aragats Station, altitude 3200m above sea level.[/i]

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|}

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Cosmic Ray research at high altitude stations on Mt. Aragats, Armenia, was founded by famous Armenian physicists, Alikhanyan brothers, in 1943. Research facilities are located on

826

two high-altitude stations on Mt.Aragats, Nor-Amberd (40.37N, 44.26E, 2000m above sea level) Station and Aragats Station (40.47N, 44.18E, 3200m above sea level), and at CRD

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headquarters at A.I. Alikhanyan National Science Laboratory, Yerevan.

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Electric Field Monitor Boltek EFM100 Yerevan

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Page Under Cinstruction.

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{| border="1px"

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[url="setups/asec/pictures/800px-BoltekEFM-100_Yerevan.JPG"][img]setups/asec/pictures/300px-BoltekEFM-100_Yerevan.JPG[/img][/url]

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|-

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[i][b]Figure 1:[/b] Electric Field Monitor Boltek EFM100.[/i]

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|}

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Lightning Detector Boltek LD Yerevan

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Page Under Construction.

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{| border="1px"

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[url="setups/asec/pictures/Anthand-t.jpg"][img]setups/asec/pictures/100px-Anthand-t.jpg[/img][/url]

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|-

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[i][b]Figure 1:[/b] Lightning Detector Boltek LD250.[/i]

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|}

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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</page>

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[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

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[f] [[Main Page]][/f]

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!Basic detecting unit of the SEVAN network at Yerevan

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Page Under Construction.

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The basic detecting unit of the SEVAN network (see Figure 11) is assembled from standard slabs of 50x50x5cm plastic scintillators. Between 2 identical assemblies of 100x100x5m scintillators (four standard slabs) are located two 100x100x5cm lead absorbers and thick 50x50x25cm scintillator assembly (5 standard slabs). A scintillator light capture cone and [b]P[/b]hoto [b]M[/b]ultiplier [b]T[/b]ube ([b]PMT[/b]) are located on the top, bottom and the intermediate layers of detector. The detailed detector charts with all sizes are available from http://192.168.24.118/.

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{| border="1px"

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[url="setups/asec/pictures/566px-SEVAN.jpg"][img]setups/asec/pictures/300px-SEVAN.jpg[/img][/url]

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|-

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[i][b]Figure 1:[/b] The basic detecting unit of the SEVAN network.[/i]

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|}

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At the Nor-Amberd research station of ASEC we are starting tests of the operation of the SEVAN detector prototype (SEVAN #1) with slightly reduced sizes: area of upper and lower 5cm this scintillators are 0.65m, instead of 1m, and thickness of middle detector is 20cm, instead of 25cm. Also we establish the SEVAN detector prototype (SEVAN #2) in the Yerevan and in the Aragats (SEVAN #3). The dimensions of the upper and lower scintillaors are 1m, and thickness of middle detector is 20cm.

912

913

Incoming neutral particles undergo nuclear reactions in the thick 25cm plastic scintillator and produce protons and other charged particles. In the upper 5cm thick scintillator charged particles are registered very effectively; however for the nuclear interactions of neutral particles there is not enough substance. When a neutral particle traverses the top thin (5cm) scintillator, usually no signal is produced. The absence of the signal in the upper scintillators, coinciding with the signal in the middle scintillator, points to neutral particle detection. The coincidence of signals from the top and bottom scintillators indicates traversal of high energy muons. Lead absorbers improve efficiency of the neutral flux detection and filtered low energy charged particles. SEVAN world-wide network will consist of modules located in Croatia, Bulgaria, India (to be installe din 2008), Slovakia, Costa-Rica and Indonesia (to be installed in 2009). We present data from SEVAN module operated at Nor Amberd research station, another module is under construction in Yerevan at altitude 1000m in CRD headquarters

914

915

!!Structure of the information content from SEVAN detector

916

917

The following information is providing by SEVAN detector:

918

919

*Count rates from the all 3 layers (see Table 16).

920

*Count rates of the all coincidences of upper, middle and lower detectors (see Table 16 and Table 17).

921

*Correlation matrix between all detected signals (Table 18)

922

923

In the directory “DEFAULT” the following information is stored:

924

925

*columns 1-3 - the count rates of all channels of the SEVAN. The count rates are posted in the Table 16;

926

*column 4 unused (this channel we can use as input of the atmospheric pressure sensor).

927

*columns 5-8 – the count rates of the coincidences of the all channels of the SEVAN. If we denote by the sign “1” signal from scintillator, and by sign “0” absence of signal, following combinations of the 3-layered detector output are stored: 110, 101, 011, 111 (see Table 16).

928

929

930

931

932

933

[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

934

[f] [[Main Page]][/f]

935

</page>

936

937

938

939

940

[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

941

[f] [[Main Page]][/f]

942

943

944

!Basic detecting unit of the SEVAN network at Burakan

945

946

Page Under Construction.

947

948

The basic detecting unit of the SEVAN network (see Figure 11) is assembled from standard slabs of 50x50x5cm plastic scintillators. Between 2 identical assemblies of 100x100x5m scintillators (four standard slabs) are located two 100x100x5cm lead absorbers and thick 50x50x25cm scintillator assembly (5 standard slabs). A scintillator light capture cone and [b]P[/b]hoto [b]M[/b]ultiplier [b]T[/b]ube ([b]PMT[/b]) are located on the top, bottom and the intermediate layers of detector. The detailed detector charts with all sizes are available from http://192.168.24.118/.

949

950

951

{| border="1px"

952

[url="setups/asec/pictures/566px-SEVAN.jpg"][img]setups/asec/pictures/300px-SEVAN.jpg[/img][/url]

953

|-

954

[i][b]Figure 1:[/b] The basic detecting unit of the SEVAN network.[/i]

955

|}

956

957

At the Nor-Amberd research station of ASEC we are starting tests of the operation of the SEVAN detector prototype (SEVAN #1) with slightly reduced sizes: area of upper and lower 5cm this scintillators are 0.65m, instead of 1m, and thickness of middle detector is 20cm, instead of 25cm. Also we establish the SEVAN detector prototype (SEVAN #2) in the Yerevan and in the Aragats (SEVAN #3). The dimensions of the upper and lower scintillaors are 1m, and thickness of middle detector is 20cm.

958

959

Incoming neutral particles undergo nuclear reactions in the thick 25cm plastic scintillator and produce protons and other charged particles. In the upper 5cm thick scintillator charged particles are registered very effectively; however for the nuclear interactions of neutral particles there is not enough substance. When a neutral particle traverses the top thin (5cm) scintillator, usually no signal is produced. The absence of the signal in the upper scintillators, coinciding with the signal in the middle scintillator, points to neutral particle detection. The coincidence of signals from the top and bottom scintillators indicates traversal of high energy muons. Lead absorbers improve efficiency of the neutral flux detection and filtered low energy charged particles. SEVAN world-wide network will consist of modules located in Croatia, Bulgaria, India (to be installe din 2008), Slovakia, Costa-Rica and Indonesia (to be installed in 2009). We present data from SEVAN module operated at Nor Amberd research station, another module is under construction in Yerevan at altitude 1000m in CRD headquarters

960

961

!!Structure of the information content from SEVAN detector

962

963

The following information is providing by SEVAN detector:

964

965

*Count rates from the all 3 layers (see Table 16).

966

*Count rates of the all coincidences of upper, middle and lower detectors (see Table 16 and Table 17).

967

*Correlation matrix between all detected signals (Table 18)

968

969

In the directory “DEFAULT” the following information is stored:

970

971

*columns 1-3 - the count rates of all channels of the SEVAN. The count rates are posted in the Table 16;

972

*column 4 unused (this channel we can use as input of the atmospheric pressure sensor).

973

*columns 5-8 – the count rates of the coincidences of the all channels of the SEVAN. If we denote by the sign “1” signal from scintillator, and by sign “0” absence of signal, following combinations of the 3-layered detector output are stored: 110, 101, 011, 111 (see Table 16).

974

975

976

977

978

979

[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

980

[f] [[Main Page]][/f]

981

</page>

982

983

984

985

986

987

[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

988

[f] [[Main Page]][/f]

989

990

991

!Basic detecting unit of the SEVAN network at Moussala

992

993

Page Under Construction.

994

995

The basic detecting unit of the SEVAN network (see Figure 11) is assembled from standard slabs of 50x50x5cm plastic scintillators. Between 2 identical assemblies of 100x100x5m scintillators (four standard slabs) are located two 100x100x5cm lead absorbers and thick 50x50x25cm scintillator assembly (5 standard slabs). A scintillator light capture cone and [b]P[/b]hoto [b]M[/b]ultiplier [b]T[/b]ube ([b]PMT[/b]) are located on the top, bottom and the intermediate layers of detector. The detailed detector charts with all sizes are available from http://192.168.24.118/.

996

997

998

{| border="1px"

999

[url="setups/asec/pictures/566px-SEVAN.jpg"][img]setups/asec/pictures/300px-SEVAN.jpg[/img][/url]

1000

|-

1001

[i][b]Figure 1:[/b] The basic detecting unit of the SEVAN network.[/i]

1002

|}

1003

1004

At the Nor-Amberd research station of ASEC we are starting tests of the operation of the SEVAN detector prototype (SEVAN #1) with slightly reduced sizes: area of upper and lower 5cm this scintillators are 0.65m, instead of 1m, and thickness of middle detector is 20cm, instead of 25cm. Also we establish the SEVAN detector prototype (SEVAN #2) in the Yerevan and in the Aragats (SEVAN #3). The dimensions of the upper and lower scintillaors are 1m, and thickness of middle detector is 20cm.

1005

1006

Incoming neutral particles undergo nuclear reactions in the thick 25cm plastic scintillator and produce protons and other charged particles. In the upper 5cm thick scintillator charged particles are registered very effectively; however for the nuclear interactions of neutral particles there is not enough substance. When a neutral particle traverses the top thin (5cm) scintillator, usually no signal is produced. The absence of the signal in the upper scintillators, coinciding with the signal in the middle scintillator, points to neutral particle detection. The coincidence of signals from the top and bottom scintillators indicates traversal of high energy muons. Lead absorbers improve efficiency of the neutral flux detection and filtered low energy charged particles. SEVAN world-wide network will consist of modules located in Croatia, Bulgaria, India (to be installe din 2008), Slovakia, Costa-Rica and Indonesia (to be installed in 2009). We present data from SEVAN module operated at Nor Amberd research station, another module is under construction in Yerevan at altitude 1000m in CRD headquarters

1007

1008

!!Structure of the information content from SEVAN detector

1009

1010

The following information is providing by SEVAN detector:

1011

1012

*Count rates from the all 3 layers (see Table 16).

1013

*Count rates of the all coincidences of upper, middle and lower detectors (see Table 16 and Table 17).

1014

*Correlation matrix between all detected signals (Table 18)

1015

1016

In the directory “DEFAULT” the following information is stored:

1017

1018

*columns 1-3 - the count rates of all channels of the SEVAN. The count rates are posted in the Table 16;

1019

*column 4 unused (this channel we can use as input of the atmospheric pressure sensor).

1020

*columns 5-8 – the count rates of the coincidences of the all channels of the SEVAN. If we denote by the sign “1” signal from scintillator, and by sign “0” absence of signal, following combinations of the 3-layered detector output are stored: 110, 101, 011, 111 (see Table 16).

1021

1022

1023

1024

1025

1026

[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

1027

[f] [[Main Page]][/f]

1028

</page>

1029

1030

1031

1032

1033

1034

[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

1035

[f] [[Main Page]][/f]

1036

1037

1038

!Basic detecting unit of the SEVAN network at Moussala

1039

1040

Page Under Construction.

1041

1042

The basic detecting unit of the SEVAN network (see Figure 11) is assembled from standard slabs of 50x50x5cm plastic scintillators. Between 2 identical assemblies of 100x100x5m scintillators (four standard slabs) are located two 100x100x5cm lead absorbers and thick 50x50x25cm scintillator assembly (5 standard slabs). A scintillator light capture cone and [b]P[/b]hoto [b]M[/b]ultiplier [b]T[/b]ube ([b]PMT[/b]) are located on the top, bottom and the intermediate layers of detector. The detailed detector charts with all sizes are available from http://192.168.24.118/.

1043

1044

1045

{| border="1px"

1046

[url="setups/asec/pictures/566px-SEVAN.jpg"][img]setups/asec/pictures/300px-SEVAN.jpg[/img][/url]

1047

|-

1048

[i][b]Figure 1:[/b] The basic detecting unit of the SEVAN network.[/i]

1049

|}

1050

1051

At the Nor-Amberd research station of ASEC we are starting tests of the operation of the SEVAN detector prototype (SEVAN #1) with slightly reduced sizes: area of upper and lower 5cm this scintillators are 0.65m, instead of 1m, and thickness of middle detector is 20cm, instead of 25cm. Also we establish the SEVAN detector prototype (SEVAN #2) in the Yerevan and in the Aragats (SEVAN #3). The dimensions of the upper and lower scintillaors are 1m, and thickness of middle detector is 20cm.

1052

1053

Incoming neutral particles undergo nuclear reactions in the thick 25cm plastic scintillator and produce protons and other charged particles. In the upper 5cm thick scintillator charged particles are registered very effectively; however for the nuclear interactions of neutral particles there is not enough substance. When a neutral particle traverses the top thin (5cm) scintillator, usually no signal is produced. The absence of the signal in the upper scintillators, coinciding with the signal in the middle scintillator, points to neutral particle detection. The coincidence of signals from the top and bottom scintillators indicates traversal of high energy muons. Lead absorbers improve efficiency of the neutral flux detection and filtered low energy charged particles. SEVAN world-wide network will consist of modules located in Croatia, Bulgaria, India (to be installe din 2008), Slovakia, Costa-Rica and Indonesia (to be installed in 2009). We present data from SEVAN module operated at Nor Amberd research station, another module is under construction in Yerevan at altitude 1000m in CRD headquarters

1054

1055

!!Structure of the information content from SEVAN detector

1056

1057

The following information is providing by SEVAN detector:

1058

1059

*Count rates from the all 3 layers (see Table 16).

1060

*Count rates of the all coincidences of upper, middle and lower detectors (see Table 16 and Table 17).

1061

*Correlation matrix between all detected signals (Table 18)

1062

1063

In the directory “DEFAULT” the following information is stored:

1064

1065

*columns 1-3 - the count rates of all channels of the SEVAN. The count rates are posted in the Table 16;

1066

*column 4 unused (this channel we can use as input of the atmospheric pressure sensor).

1067

*columns 5-8 – the count rates of the coincidences of the all channels of the SEVAN. If we denote by the sign “1” signal from scintillator, and by sign “0” absence of signal, following combinations of the 3-layered detector output are stored: 110, 101, 011, 111 (see Table 16).

1068

1069

1070

1071

1072

1073

[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

1074

[f] [[Main Page]][/f]

1075

</page>

1076

1077

1078

1079

1080

1081

[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

1082

[f] [[Main Page]][/f]

1083

1084

1085

!Basic detecting unit of the SEVAN network at Zagreb

1086

1087

Page Under Construction.

1088

1089

The basic detecting unit of the SEVAN network (see Figure 11) is assembled from standard slabs of 50x50x5cm plastic scintillators. Between 2 identical assemblies of 100x100x5m scintillators (four standard slabs) are located two 100x100x5cm lead absorbers and thick 50x50x25cm scintillator assembly (5 standard slabs). A scintillator light capture cone and [b]P[/b]hoto [b]M[/b]ultiplier [b]T[/b]ube ([b]PMT[/b]) are located on the top, bottom and the intermediate layers of detector. The detailed detector charts with all sizes are available from http://192.168.24.118/.

1090

1091

1092

{| border="1px"

1093

[url="setups/asec/pictures/566px-SEVAN.jpg"][img]setups/asec/pictures/300px-SEVAN.jpg[/img][/url]

1094

|-

1095

[i][b]Figure 1:[/b] The basic detecting unit of the SEVAN network.[/i]

1096

|}

1097

1098

At the Nor-Amberd research station of ASEC we are starting tests of the operation of the SEVAN detector prototype (SEVAN #1) with slightly reduced sizes: area of upper and lower 5cm this scintillators are 0.65m, instead of 1m, and thickness of middle detector is 20cm, instead of 25cm. Also we establish the SEVAN detector prototype (SEVAN #2) in the Yerevan and in the Aragats (SEVAN #3). The dimensions of the upper and lower scintillaors are 1m, and thickness of middle detector is 20cm.

1099

1100

Incoming neutral particles undergo nuclear reactions in the thick 25cm plastic scintillator and produce protons and other charged particles. In the upper 5cm thick scintillator charged particles are registered very effectively; however for the nuclear interactions of neutral particles there is not enough substance. When a neutral particle traverses the top thin (5cm) scintillator, usually no signal is produced. The absence of the signal in the upper scintillators, coinciding with the signal in the middle scintillator, points to neutral particle detection. The coincidence of signals from the top and bottom scintillators indicates traversal of high energy muons. Lead absorbers improve efficiency of the neutral flux detection and filtered low energy charged particles. SEVAN world-wide network will consist of modules located in Croatia, Bulgaria, India (to be installe din 2008), Slovakia, Costa-Rica and Indonesia (to be installed in 2009). We present data from SEVAN module operated at Nor Amberd research station, another module is under construction in Yerevan at altitude 1000m in CRD headquarters

1101

1102

!!Structure of the information content from SEVAN detector

1103

1104

The following information is providing by SEVAN detector:

1105

1106

*Count rates from the all 3 layers (see Table 16).

1107

*Count rates of the all coincidences of upper, middle and lower detectors (see Table 16 and Table 17).

1108

*Correlation matrix between all detected signals (Table 18)

1109

1110

In the directory “DEFAULT” the following information is stored:

1111

1112

*columns 1-3 - the count rates of all channels of the SEVAN. The count rates are posted in the Table 16;

1113

*column 4 unused (this channel we can use as input of the atmospheric pressure sensor).

1114

*columns 5-8 – the count rates of the coincidences of the all channels of the SEVAN. If we denote by the sign “1” signal from scintillator, and by sign “0” absence of signal, following combinations of the 3-layered detector output are stored: 110, 101, 011, 111 (see Table 16).

1115

1116

1117

1118

1119

1120

[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

1121

[f] [[Main Page]][/f]

1122

</page>

1123

1124

1125

1126

1127

1128

[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

1129

[f] [[Main Page]][/f]

1130

1131

1132

!Basic detecting unit of the SEVAN network at JNU

1133

1134

Page Under Construction.

1135

1136

The basic detecting unit of the SEVAN network (see Figure 11) is assembled from standard slabs of 50x50x5cm plastic scintillators. Between 2 identical assemblies of 100x100x5m scintillators (four standard slabs) are located two 100x100x5cm lead absorbers and thick 50x50x25cm scintillator assembly (5 standard slabs). A scintillator light capture cone and [b]P[/b]hoto [b]M[/b]ultiplier [b]T[/b]ube ([b]PMT[/b]) are located on the top, bottom and the intermediate layers of detector. The detailed detector charts with all sizes are available from http://192.168.24.118/.

1137

1138

1139

{| border="1px"

1140

[url="setups/asec/pictures/566px-SEVAN.jpg"][img]setups/asec/pictures/300px-SEVAN.jpg[/img][/url]

1141

|-

1142

[i][b]Figure 1:[/b] The basic detecting unit of the SEVAN network.[/i]

1143

|}

1144

1145

At the Nor-Amberd research station of ASEC we are starting tests of the operation of the SEVAN detector prototype (SEVAN #1) with slightly reduced sizes: area of upper and lower 5cm this scintillators are 0.65m, instead of 1m, and thickness of middle detector is 20cm, instead of 25cm. Also we establish the SEVAN detector prototype (SEVAN #2) in the Yerevan and in the Aragats (SEVAN #3). The dimensions of the upper and lower scintillaors are 1m, and thickness of middle detector is 20cm.

1146

1147

Incoming neutral particles undergo nuclear reactions in the thick 25cm plastic scintillator and produce protons and other charged particles. In the upper 5cm thick scintillator charged particles are registered very effectively; however for the nuclear interactions of neutral particles there is not enough substance. When a neutral particle traverses the top thin (5cm) scintillator, usually no signal is produced. The absence of the signal in the upper scintillators, coinciding with the signal in the middle scintillator, points to neutral particle detection. The coincidence of signals from the top and bottom scintillators indicates traversal of high energy muons. Lead absorbers improve efficiency of the neutral flux detection and filtered low energy charged particles. SEVAN world-wide network will consist of modules located in Croatia, Bulgaria, India (to be installe din 2008), Slovakia, Costa-Rica and Indonesia (to be installed in 2009). We present data from SEVAN module operated at Nor Amberd research station, another module is under construction in Yerevan at altitude 1000m in CRD headquarters

1148

1149

!!Structure of the information content from SEVAN detector

1150

1151

The following information is providing by SEVAN detector:

1152

1153

*Count rates from the all 3 layers (see Table 16).

1154

*Count rates of the all coincidences of upper, middle and lower detectors (see Table 16 and Table 17).

1155

*Correlation matrix between all detected signals (Table 18)

1156

1157

In the directory “DEFAULT” the following information is stored:

1158

1159

*columns 1-3 - the count rates of all channels of the SEVAN. The count rates are posted in the Table 16;

1160

*column 4 unused (this channel we can use as input of the atmospheric pressure sensor).

1161

*columns 5-8 – the count rates of the coincidences of the all channels of the SEVAN. If we denote by the sign “1” signal from scintillator, and by sign “0” absence of signal, following combinations of the 3-layered detector output are stored: 110, 101, 011, 111 (see Table 16).

1162

1163

1164

1165

1166

1167

[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

1168

[f] [[Main Page]][/f]

1169

</page>

1170

1171

1172

1173

1174

[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

1175

[f] [[Main Page]][/f]

1176

1177

1178

!Cube_3cm

1179

1180

{| border="1px"

1181

[url="setups/asec/pictures/cube.jpg"][img]setups/asec/pictures/300px-cube.jpg[/img][/url]

1182

|-

1183

[i][b]Figure 1:[/b] Cube Monitor.[/i]

1184

|}

1185

1186

Page Under Construction

1187

1188

1189

1190

1191

1192

[f] [[SEVAN Monitors]] | [[SEVAN Moussala]] | [[SEVAN Zagreb]] | [[SEVAN JNU]] [/f] [br]

1193

[f] [[Main Page]][/f]

1194

</page>

1195

1196

1197

1198

!UI Usage Guide | [[Main Page]]

1199

ADEI provides sophisticated Google-maps style web interface. The short video displaying basic functionality could be obtained from [url="http://csa.aragats.am/ADEI.mpeg"] here[/url].

1200

!!Selecting Data

1201

Click on [i]Data Source[/i] button and submenu providing data/time configuration options will be opened. There is two tabs: [i]Source[/i] and [i]Axis[/i]:

1202

* The [i]Source[/i] tab allows to select appropriate data source and data channels to display. ADEI implements hierarchical addressing. The data channels are grouped in so called [i]LogGroups[/i]. All channels within single [i]LogGroup[/i] are time-synchronized and can be displayed on a single graph. To select [i]LogGroup[/i], one needs to choose [i]Server[/i] and [i]Database[/i] where the [i]LogGroup[/i] is stored - it is not necessarily real server and database but rather a way of logically structuring data belonging to different components/experiments/etc. After the desired [i]LogGroup[/i] is selected an user is able to choose which data channels he/she is interested in. It is possible to display all group channels at once, select a single channel from the list, or choose from several predefined channel masks. After clicking [i]Apply[/i] button the data from the selected channels will be aggregated and displayed on the graph.

1203

* By default all available data is aggregated and displayed on the graph. Using [i]Axis[/i] tab it is possible to display the data only for desired time period. When choosing fixed length [i]Windows[/i], like [i]1 Year[/i], [i]1 Weak[/i], etc., the data for the last specified interval, i.e. for the last year, will be aggregated and displayed. The [i]Custom[/i] window will allow to specify exact start and stop of desired time interval. As well it is possible to limit range of values displayed on Y-axis. However, in most cases it is easier to use dynamic navigation system described in next section.

1204

!!Navigation

1205

The data navigation is trying to follow Google-Maps standards. Users may visualize time-series for rather long period (years) and then select definite time span and zoom it by simple mouse clicking:

1206

* To get more detailed graph of certain data currently on display, [i]zoom-in[/i],the select appropriate region (press and hold left mouse button while moving mouse pointer) and, then, click on the arrow or double click in the center of selection. Both [i]Time[/i] and [i]Y[/i] axis could be zoomed. To zoom only over [i]Time[/i]-axis select with mouse narrow horizontal line. Correspondingly, to zoom only over [i]Y[/i]-axis the narrow vertical line should be selected.

1207

* The mouse wheel could be used for zooming in and out on the [i]Time[/i]-axis. Scroll down to zoom-out and up to zoom-in.

1208

* Double clicking on [i]Y[/i]-axis (actually gray area left from the [i]Y[/i]-axis) will remove any [i]Y[/i]-zooming and the [i]Y[/i]-axis will be auto-adapted to accommodate whole data range.

1209

* Double clicking on [i]Time[/i]-axis (actually gray area bellow the [i]Time[/i]-axis) will revert to default display mode when all available data aggregated and presented on the graph.

1210

* Scrolling mouse wheel on the [i]Time[/i] or [i]Y[/i] axis will shift currently displayed data window along the corresponding axis.

1211

* It is possible to use key modifiers to adjust mouse actions. Please, click and hold [b]h[/b] key to get short help on the supported keys in the status bar (at the bottom of screen).

1212

* For example, holding [b]z[/b] key and single-clicking left mouse button will perform [i]Deep Zoom[/i] on [i]Time[/i]-axis and show detailed graph displaying the data around the clicked point.

1213

* Clicking left mouse button while [b]c[/b] key is held will result in centering ([i]Time[/i]-axis) around current mouse position.

1214

* Another example is zooming with mouse wheel: by default the [i]Time[/i]-zooming is performed at the current mouse pointer. If you press [b]c[/b] key is pressed while zooming-in, the zoom will be performed at the center of currently displayed graph.

1215

* As well it is possible to switch channels, data sources and etc. using key modifiers and mouse wheel.

1216

!!Navigation with iPad/iPod/iPhone

1217

* Zooming

1218

* Pinch in 1 - When first finger inside the graph image zooms x-axis in according to users pinch.

1219

* Pinch in 2 - When first finger on y-axis, graph zooms y-axis in to selected position.

1220

* Pinch out 1 - When first finger inside the graph, zooms x-axis out.

1221

* Pinch out 2 - When first finger on y-axis center zooms out y-axis.

1222

* Moving

1223

* Swipe Left - Moves a step forward in time-axis (x-axis).

1224

* Swipe Right - Moves a step backward in time-axis(x-axis).

1225

* Swip Up - Moves a step down in y-axis.

1226

* Swipe Down - Moves a step up in y-axis.

1227

!!Legend

1228

The graph is containing information on displayed [i]LogGroup[/i], time range, aggregating parameters, but the actual channel names are not shown in order to save space. The Legend window is used to provide information on the items. Clicking with left mouse button at the graph window will open popup window listing the names of all data channels whose plots passing near to the clicked point.

1229

* The next version of ADEI software will improve legend window to allow removal of the selected items from the current channel mask or allow creation of new channel mask consisting only of selected items.

1230

* In addition to the legend, the status bar (on the bottom of screen) provides additional information on the displayed graph. Particularly, the actual [i]Time[/i] and [i]Y[/i] value under the mouse pointer is indicated.

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!!History

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You can go back and forward in history like in normal web application. The current URL is always completely describing the data on display. Therefore, it is possible to store this URL or send to colleague and when the URL will be opened in browser exactly the same plot will be displayed.

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!!Data Export

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The ADEI provides extensible data export subsystem. By a simple mouse operation you can directly download the desired interval of time-series for the further analysis. Multiple data formats are supported. This currently includes: CSV, Excel, [url="http://root.cern.ch"] ROOT[/url], [url="http://zone.ni.com/devzone/cda/tut/p/id/3539"] TDMS[/url]. The support of external application filters allows to easily extend ADEI with new export formats.

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Exporting data using standard settings is feasible using mouse-only approach described in [i]Navigation[/i] section: Holding left mouse button select the desired region and, then, click on the save button (green arrow pointing on hard drive) to export the data. However, it is possible to tune the export options. Click on the [i]Controls[/i] button and open [i]Export[/i] tab. Here you may:

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* Select desired export format

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* Specify data resampling to limit amount of the data

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* Export multiple [i]LogGroups[/i] at once

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!!Aggregation and Reporting Invalid Data

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If [i]Controls[/i] button is pressed and in the opened menu the [i]Aggregator[/i] tab is selected, a few options to control aggregation parameters and parameters controlling indication of missing/invalid data will be available.

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* [i]Approach[/i] - controls data aggregation algorithm. [i]Auto[/i] selects the best one providing near real-time performance.

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* [i]Interpolation[/i] - switches on and off interpolation of missing data

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* [i]Show Marks[/i] - controls if positions of actual data points are displayed

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* [i]Show Gaps[/i] - if set to [i]Show Missing Data[/i] this control instructs ADEI to indicate with red lines on the top of graph (below label) the regions there is no data recorded or inconsistent/invalid data is recorded. Then user could zoom-in to the indicated intervals to investigate problem in more details.

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!!Search

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Search subsystem is to be implemented and described in near future.

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[[Main Page]]

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</page>

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</pages>

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