Space Environmental Viewing and Analysis Network (SEVAN)

Chilingarian, A.; Hovsepyan, G.; Arakelyan, K.; Chilingaryan, S.; Danielyan, V.; Avakyan, K.M.; Yeghikyan, A. G.; Reymers, A.; Tserunyan, S.

doi:10.1007/s11038-008-9288-1

Cited by 29 publications

(13 citation statements)

References 16 publications

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“…1) consists of a pile of two identical detectors separated by 8.5 cm. The gap between both detection layers is partially occupied by a 30 cm × 30 cm × 5 cm lead block, which rejects low-energy particles (Chilingarian et al, 2009b), ensuring that only cosmic muons are detected when coincidence between both detectors is applied. Each detector is an opaque sealed box, with a 30 cm × 30 cm × 3 cm plastic scintillator on the bottom and a photomultiplier tube (PMT) type 53 AVP (Philips, 1959) on the top, which are 18 cm apart.…”

Section: Muon Detectorsmentioning

confidence: 99%

“…These coincidencebased systems may provide relevant physical information such as particle identification by the use of dE vs. dE or dE vs. E techniques or by means of some shielding block between pilled detectors (Chilingarian et al, 2009a), the particle impact point on the detector surface (Hasebe et al, 1988) and particle energy deposition in detectors or incident direction (Karapetyan et al, 2013). Moreover, coincidence systems are used in different research areas such as medical applications, quantum physics or optics (Joost and Salomon, 2015).…”

Section: Coincidencementioning

confidence: 99%

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A coincidence detection system based on real-time software

Ayuso

Blanco

Medina

et al. 2016

Geosci. Instrum. Method. Data Syst.

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Abstract. Conventional real-time coincidence systems use electronic circuitry to detect coincident pulses (hardware coincidence). In this work, a new concept of coincidence system based on real-time software (software coincidence) is presented. This system is based on the recurrent supervision of the analogue-to-digital converters status, which is described in detail. A prototype has been designed and built using a low-cost development platform. It has been applied to two different experimental sets for cosmic ray muon detection. Experimental muon measurements recorded simultaneously using conventional hardware coincidence and our software coincidence system have been compared, yielding identical results. These measurements have also been validated using simultaneous neutron monitor observations. This new software coincidence system provides remarkable advantages such as higher simplicity of interconnection and adjusting. Thus, our system replaces, at least, three Nuclear Instrument Modules (NIMs) required by conventional coincidence systems, reducing its cost by a factor of 40 and eliminating pulse delay adjustments.

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Section: Muon Detectorsmentioning

confidence: 99%

Section: Coincidencementioning

confidence: 99%

A coincidence detection system based on real-time software

Ayuso

Blanco

Medina

et al. 2016

Geosci. Instrum. Method. Data Syst.

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“…The joint project of muon detectors is currently implemented in collaboration with Germany, Switzerland and Israel. CRD initiated the development of a new world-wide particle detector network called "Space Environment Viewing and Analysis Network" (SEVAN) [41,42]. The United Nations Office of Outer Space Affairs and the International Heliophysical Year (IHY) have launched a small instrument program as one of United Nations Basic Space Science (UNBSS) activity.…”

Section: Ammmmentioning

confidence: 99%

Cosmic Ray research in Armenia

2009

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Abstract⎯Cosmic Ray research on Mt. Aragats began in 1934 with the measurements of East-West anisotropy by the group from Leningrad Physical-Technical Institute and Norair Kocharian from Yerevan State University. Stimulated by the results of their experiments, in 1942 Artem and Abraham Alikhanian brothers organized a scientific expedition to Aragats. Since that time physicists were studying Cosmic Ray fluxes on Mt. Aragats with various particle detectors: mass spectrometers, calorimeters, transition radiation detectors, and huge particle detector arrays registering protons and nuclei accelerated in most violent explosions in Galaxy. Latest activities at Mt. Aragats include Space Weather research with networks of particle detectors located in Armenia and abroad, and detectors of Space Education center in Yerevan.PACS numbers: 96.50.S-

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“…New type of particle detectors with enhanced flexibility to precisely and simultaneously measure changing fluxes of different secondary particles with different energy thresholds will be a key to better understanding of the sun. Establishing a new world-wide network of such detectors, at low to mid latitudes will give the possibility to measure solar proton and ion energy spectra up to 50 GeV, as well as, provide cost-effective possibilities for space weather research [36,14].…”

Section: Network Of Particle Detectorsmentioning

confidence: 99%