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SUMMARY:Energy characteristics of muon bundles in a wide range of zenith a
 ngles
DTSTART;VALUE=DATE-TIME:20161012T133000Z
DTEND;VALUE=DATE-TIME:20161012T134500Z
DTSTAMP;VALUE=DATE-TIME:20260711T140357Z
UID:indico-contribution-552@cern.ch
DESCRIPTION:Speakers: Aleksei Bogdanov (National Research Nuclear Universi
 ty MEPhI (Moscow Engineering Physics Institute))\nStudy of the energy char
 acteristics of EAS muon component with an increase the primary particle en
 ergy can be a key to solving the "muon puzzle" – the problem of muon exc
 ess in EAS observed in several experiments.\nSuch investigations are curre
 ntly being conducted in the NEVOD-DECOR experiment on detection of incline
 d muon bundles. Cherenkov water detector NEVOD measures the energy deposit
  of muons\, which is almost linearly related to their energy. Coordinate-t
 racking detector DECOR measures the number of muons and their direction. T
 he detection of muon bundles of various multiplicities in a wide range of 
 zenith angles allows to explore the interval of primary particles energies
  from 10^16 to 10^18 eV.\nIn the present work\, data of long series of mea
 surements from May 2012 to March 2016 are analyzed. The experimental data 
 are compared with the results of calculations based on simulations of the 
 muon component of EAS by means of the CORSIKA code.\nd simulations of the 
 EAS muon component. A possible evidence for an increase of the energy depo
 sit at primary energies above 10^17 eV is observed.\nIt has been found tha
 t the average specific energy deposit in the Cherenkov calorimeter appreci
 ably increases with zenith angle\, thus reflecting the increase of the mea
 n muon energy in the bundles. It is in a reasonable agreement with CORSIKA
 -based simulations of the EAS muon component. A possible evidence for an i
 ncrease of the energy deposit at primary energies above 10^17 eV is observ
 ed.\n\nhttps://indico.particle.mephi.ru/event/4/contributions/552/
LOCATION:Milan Hotel Verdi
URL:https://indico.particle.mephi.ru/event/4/contributions/552/
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