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SUMMARY:On the study of the muon energy spectrum in the Baikal-GVD neutrin
 o telescope
DTSTART;VALUE=DATE-TIME:20241025T073000Z
DTEND;VALUE=DATE-TIME:20241025T074500Z
DTSTAMP;VALUE=DATE-TIME:20260517T033401Z
UID:indico-contribution-4360@cern.ch
DESCRIPTION:Speakers: Mikhail Lisitsin (National Research Nuclear Universi
 ty MEPhI)\nThe muon component of the extensive atmospheric showers (EAS) i
 s widely used in high-energy physics as a tool to study the processes of n
 ucleus-nucleus interactions and decays of secondary particles. Information
  about muons with energies above 100 TeV can carry information about cosmi
 c ray sources\, as well as elements of “new physics”\, so the task of 
 measuring the energy spectrum of such muons is promising. The only instrum
 ent for measuring the energy of ultrahigh-energy muons above 100 TeV are c
 urrently the gigaton neutrino telescopes (IceCube\, Baikal-GVD).\n        
   Very High Energy muons (VHE-muons)\, being born in the EAS\, arrive at t
 he facility accompanied by low multiplicity bundles. Such events are diffi
 cult to distinguish from events with large multiplicity bundles but withou
 t VHE-muon\, since the total energy and energy release may be similar for 
 such large bundles and single VHE-muons accompanied by small bundles. From
  this feature of VHE-muons\, the necessity arises to develop a universal m
 ethod to separate such events in gigaton neutrino telescopes.\n          V
 HE-muons tend to lose their energy stochastically\, sometimes in large por
 tions\, while the energy release of low-energy muons has a less expressed 
 stochastic character. The peak-median ratio of the longitudinal energy rel
 ease profile of an event allows us to exploit this feature and identify mu
 on bundles with ultrahigh energy muons. In this work\, we analyze the spec
 trum of EAS muon bundles and evaluate the possibility of registering and i
 dentifying muon bundles with VHE-muons using the peak-median ratio of the 
 longitudinal energy release profile.\n\nhttps://indico.particle.mephi.ru/e
 vent/436/contributions/4360/
LOCATION: Petrovskiy 2
URL:https://indico.particle.mephi.ru/event/436/contributions/4360/
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