BEGIN:VCALENDAR VERSION:2.0 PRODID:-//CERN//INDICO//EN BEGIN:VEVENT SUMMARY:Temporal and lateral distributions of EAS neutron component measur ed with PRISMA-32 DTSTART;VALUE=DATE-TIME:20161013T133000Z DTEND;VALUE=DATE-TIME:20161013T134500Z DTSTAMP;VALUE=DATE-TIME:20260814T161112Z UID:indico-contribution-104-739@cern.ch DESCRIPTION:Speakers: Dmitry Gromushkin (MEPhI)\nSome results on the EAS n eutron component measured by means of the PRISMA-32 array are presented. T he array consists of 32 en-detectors capable to detect two main EAS compon ents: electronic one consisting of charged particles\, and hadronic one by measuring delayed thermal neutrons accompanying the showers. For thermal neutrons detection\, we use a compound of a well-known inorganic scintilla tor ZnS(Ag) and LiF\, enriched to 90 % with 6Li isotope. This array allows register neutron component at whole area of the EAS. Information about EA S electron and neutron component can be used for EAS energy estimations.\n \nhttps://indico.particle.mephi.ru/event/4/contributions/739/ LOCATION:Milan Hotel Rossini URL:https://indico.particle.mephi.ru/event/4/contributions/739/ END:VEVENT BEGIN:VEVENT SUMMARY:Simulation of muon bundle multiplicity detection by drift chamber setup DTSTART;VALUE=DATE-TIME:20161013T140000Z DTEND;VALUE=DATE-TIME:20161013T141500Z DTSTAMP;VALUE=DATE-TIME:20260814T161112Z UID:indico-contribution-104-697@cern.ch DESCRIPTION:Speakers: Vladislav Vorobyev (MEPhI)\nThe detector based on th e drift chambers for registration of inclined EAS is being developed in th e MEPhI. One of the key characteristic of inclined EAS is multiplicity of muon bundles. Numerical simulation and simulation by Geant4 were performed to study drift chamber abilities for event multiplicity definition. Three methods were developed to reconstruct particle tracks: enumeration\, sear ch of a straight section and a histogram method. This work contains result s of an application of the reconstruction methods to simulated and experim ented data.\n\nhttps://indico.particle.mephi.ru/event/4/contributions/697/ LOCATION:Milan Hotel Rossini URL:https://indico.particle.mephi.ru/event/4/contributions/697/ END:VEVENT BEGIN:VEVENT SUMMARY:First results of operation of the new large-scale drift chamber de tector DTSTART;VALUE=DATE-TIME:20161013T131500Z DTEND;VALUE=DATE-TIME:20161013T133000Z DTSTAMP;VALUE=DATE-TIME:20260814T161112Z UID:indico-contribution-104-681@cern.ch DESCRIPTION:Speakers: egor zadeba (nrnu mephi)\nThe large-scale coordinate -tracking detector TREK for registration of inclined EAS is being develope d in MEPhI. Detector is based on the multiwire drift chambers from the neu trino experiment at the IHEP U-70 accelerator\, their key advantages are a large effective area (1.85 sq.m)\, a good coordinate and angular resoluti on with a small number of measuring channels. Detector will be operated as a part of the unique scientific facility NEVOD\, in particular\, jointly with Cherenkov water detector (CWD) with volume of 2000 cubic meters and c oordinate detector DECOR. The first part of the detector named Coordinate- Tracking Unit based on the Drift Chambers (CTUDC) representing two coordin ate planes of 8 drift chambers in each has been developed and mounted on t he opposite sides of the CWD. It has the same principle of joint operation with NEVOD-DECOR triggering system and the same drift chambers alignment\ , so main features of the TREK detector will be examined. Results of a cro ss-calibration of the CTUDC and coordinate-tracking detector DECOR and a j oint operation with NEVOD-DECOR complex are presented.\n\nhttps://indico.p article.mephi.ru/event/4/contributions/681/ LOCATION:Milan Hotel Rossini URL:https://indico.particle.mephi.ru/event/4/contributions/681/ END:VEVENT BEGIN:VEVENT SUMMARY:ANALYSIS OF AVAILABILITY OF PHOTOMULTIPLIERS OF DETECTOR NEVOD DTSTART;VALUE=DATE-TIME:20161013T134500Z DTEND;VALUE=DATE-TIME:20161013T140000Z DTSTAMP;VALUE=DATE-TIME:20260814T161112Z UID:indico-contribution-104-651@cern.ch DESCRIPTION:Speakers: Vitaliy Burtsev (National Research Nuclear Universit y MEPhI (Moscow Engineering Physics Institute) / MEPhI))\nThe detection sy stem of the Cherenkov water detector NEVOD includes 546 photomultipliers F EU-200 (Joint-Stock Company "Ekran - Optical Systems"\, Novosibirsk). To c ontrol the main parameters of the PMT the monitoring procedure is conducte d every 20 minutes. During monitoring gain dynode system\, the linking coe fficient of two linear ranges of the 12th and 9th dynodes and counting rat e of noise pulses are measured for each PMT.\nThe analysis of behavior of characteristics of PMT FEU-200 during the period from 2011 to 2016 years i s presented in the report.\n\nhttps://indico.particle.mephi.ru/event/4/con tributions/651/ LOCATION:Milan Hotel Rossini URL:https://indico.particle.mephi.ru/event/4/contributions/651/ END:VEVENT BEGIN:VEVENT SUMMARY:Registration of $^{71}$Ge rare decays in radiochemical gallium exp eriments SAGE and BEST. DTSTART;VALUE=DATE-TIME:20161013T141500Z DTEND;VALUE=DATE-TIME:20161013T143000Z DTSTAMP;VALUE=DATE-TIME:20260814T161112Z UID:indico-contribution-104-624@cern.ch DESCRIPTION:Speakers: Alexander Shikhin (BNO INR RAS)\nRegistration system s of rare events from $^{71}$Ge decay in radiochemical gallium experiments SAGE and BEST are presented\, where miniature proportional counters are u sed as detectors. The registration of the events is provided by eight coun ting channels simultaneously in the energy range of 0.4-15 keV which inclu des the $^{71}$Ge decays in the region of the L and K peaks with total eff iciency up to 75%. Data analysis is based on full charge pulse shape recor ding using digital oscilloscope. Effective background discrimination is ba sically obtained due to low noise ($$100 MHz) of the system electronics. T he design and main\nparameters of base components of the registration syst ems\, description of electronics and comparison of their electrical and co unting characteristics are given.\n\nhttps://indico.particle.mephi.ru/even t/4/contributions/624/ LOCATION:Milan Hotel Rossini URL:https://indico.particle.mephi.ru/event/4/contributions/624/ END:VEVENT BEGIN:VEVENT SUMMARY:Largest Forbush decreases detected by the URAGAN muon hodoscope DTSTART;VALUE=DATE-TIME:20161013T144500Z DTEND;VALUE=DATE-TIME:20161013T150000Z DTSTAMP;VALUE=DATE-TIME:20260814T161112Z UID:indico-contribution-104-589@cern.ch DESCRIPTION:Speakers: Natalia Barbashina (National Research Nuclear Univer sity MEPhI (Moscow Engineering Physics Institute))\nMuon hodoscope URAGAN detects the flux of cosmic ray muons on the Earth’s surface simultaneous ly from various directions (hodoscopic mode). This allows studies of the e nergy\, angular and spatial-temporal characteristics of variations of the cosmic ray muon flux during Forbush decreases (FD). These characteristics are obtained for the FDs detected in the period from 2006 to 2014. The res ults of the analysis of the largest (with amplitudes more 1.5%) FDs are di scussed. The FDs characteristics are compared with the conditions in of th e near-Earth space.\n\nhttps://indico.particle.mephi.ru/event/4/contributi ons/589/ LOCATION:Milan Hotel Rossini URL:https://indico.particle.mephi.ru/event/4/contributions/589/ END:VEVENT BEGIN:VEVENT SUMMARY:Data acquisition system of the NEVOD-EAS array DTSTART;VALUE=DATE-TIME:20161013T124500Z DTEND;VALUE=DATE-TIME:20161013T130000Z DTSTAMP;VALUE=DATE-TIME:20260814T161112Z UID:indico-contribution-104-561@cern.ch DESCRIPTION:Speakers: Oleg Likiy (National Research Nuclear University MEP hI (Moscow Engineering Physics Institute))\nThe features of organization\, operation principle and characteristics of the data acquisition system of a new cluster type shower array NEVOD-EAS which is being created in MEPhI (Moscow\, Russia) are discussed. The main structural element of the setup is a cluster of scintillation detector stations (DS). Each cluster includ es 4 DS consisting of 4 scintillation counters of the EAS electron-photon component particles\, as well as of local post (LP) of primary data proces sing. LP performs preliminary processing of experimental information (digi tizing of analog signals from the counters\, selection of events according to specified triggering conditions)\, ensures cluster operation in exposi tion and monitoring modes\, controls and maintains operating temperature\, provides DS power supply\, as well as transmits data to the central DAQ p ost (CP). Central post of the NEVOD-EAS array provides reception\, storage \, express analysis of experimental data and synchronous operation of all clusters at the unified clock frequency corrected according to timestamps from the GPS/GLONASS antenna.\n\nhttps://indico.particle.mephi.ru/event/4/ contributions/561/ LOCATION:Milan Hotel Rossini URL:https://indico.particle.mephi.ru/event/4/contributions/561/ END:VEVENT BEGIN:VEVENT SUMMARY:Detection of extensive air showers with the NEVOD-EAS array cluste r DTSTART;VALUE=DATE-TIME:20161013T130000Z DTEND;VALUE=DATE-TIME:20161013T131500Z DTSTAMP;VALUE=DATE-TIME:20260814T161112Z UID:indico-contribution-104-560@cern.ch DESCRIPTION:Speakers: Ivan Shulzhenko (National Research Nuclear Universit y MEPhI (Moscow Engineering Physics Institute))\nIn 2015-2016 in MEPhI (Mo scow\, Russia) on the basis of the Scientific and Educational Center NEVOD the central part of a new cluster type array NEVOD-EAS for the determinat ion of size\, arrival direction\, axis position of extensive air showers w ith energies of 10^15 – 10^17 eV was created and launched. Central part of the setup includes 4 clusters of scintillation detector stations locate d around the complex of detectors NEVOD and DECOR at the area of about 10^ 4 m^2. Studies of amplitude and time parameters of cluster response\, as w ell as EAS registration are being conducted. The express analysis of exper imental data and monitoring of operating parameters are being performed. T he results of studying of the setup operating parameters and analysis of e xperimental data obtained during continuous series of measurements on the registration of extensive air showers with the central part of NEVOD-EAS a re presented.\n\nhttps://indico.particle.mephi.ru/event/4/contributions/56 0/ LOCATION:Milan Hotel Rossini URL:https://indico.particle.mephi.ru/event/4/contributions/560/ END:VEVENT BEGIN:VEVENT SUMMARY:Response function simulation of the anti-coincidence detector base d on NaI crystal with a complex shape in registration systems for experime nts SAGE and BEST. DTSTART;VALUE=DATE-TIME:20161013T143000Z DTEND;VALUE=DATE-TIME:20161013T144500Z DTSTAMP;VALUE=DATE-TIME:20260814T161112Z UID:indico-contribution-104-499@cern.ch DESCRIPTION:Speakers: Vladimir Kazalov (BNO INR RAS)\nResponse function si mulation using Geant 4 for the detector based on NaI\ncrystal of complex s hape in registration systems for SAGE and BEST\nexperiments is presented. Cylindric NaI crystal has a large well for\nplacing up to eight proportion al counters. The detector is using as\nanti-coincidence shield for counter s and an instrument for detail analysis\nof different gamma-rays sources. The result of detector response function\nsimulation for different backgro und sources and their registration\nefficiency are given.\n\nhttps://indic o.particle.mephi.ru/event/4/contributions/499/ LOCATION:Milan Hotel Rossini URL:https://indico.particle.mephi.ru/event/4/contributions/499/ END:VEVENT END:VCALENDAR