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SUMMARY:Study of the Spatial Distribution of Atmospheric Muons: FANSY Simu
 lations and Results from the Underground LVD experiment
DTSTART;VALUE=DATE-TIME:20261027T162500Z
DTEND;VALUE=DATE-TIME:20261027T163000Z
DTSTAMP;VALUE=DATE-TIME:20261026T204044Z
UID:indico-contribution-6416@cern.ch
DESCRIPTION:Speakers: Natalia Agafonova (INR RAS)\nThe decoherence curve o
 f muon bundles in extensive air showers is investigated in this work using
  the FANSY 2.0 package. Using the Monte Carlo method\, the development of 
 cascades in the atmosphere is simulated for different types of primary par
 ticles (protons and iron nuclei)\, a wide range of initial energies and ze
 nith angles. The dependence of the spatial distribution of muons at the de
 tector location on the characteristics of the primary cosmic radiation and
  the shower arrival angle is analyzed. It is shown how variations in the c
 omposition\, energy\, and direction of the primary particle affect the deg
 ree of muon-group decoherence and the shape of the distributions. Accounti
 ng for muon scattering in the overburden enables comparison of the simulat
 ion results with the decoherence curve measured in the LVD experiment (Gra
 n Sasso\, Italy). The obtained results allow a refined interpretation of d
 ata from underground experiments and an assessment of the sensitivity of t
 he decoherence curve to parameters of the primary cosmic-ray flux.\n\nhttp
 s://indico.particle.mephi.ru/event/626/contributions/6416/
LOCATION:Sevastopol hotel Conference Hall 1
URL:https://indico.particle.mephi.ru/event/626/contributions/6416/
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