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SUMMARY:Estimation of the composition of the primary cosmic ray particles 
 by measurements of the cosmic ray muon component
DTSTART;VALUE=DATE-TIME:20260521T082500Z
DTEND;VALUE=DATE-TIME:20260521T084500Z
DTSTAMP;VALUE=DATE-TIME:20260624T105703Z
UID:indico-contribution-3814@indico.tlabs.ac.za
DESCRIPTION:Speakers: Veronicah Kihagi (Kenyatta University)\nThe primary 
 cosmic ray particles constitute 85% protons\, 12% helium\, 3% iron\, and h
 eavier elements. They interact with the Earth's atmosphere\, producing sec
 ondary particles known as Extensive Air Showers (EAS). Among the particles
  produced in EAS are pions and kaons\, which subsequently decay into muons
 . Cosmic ray muons form the main part of cosmic ray particles that reach o
 n the earth's surface. The lateral distribution of cosmic ray muon coincid
 ences is often used to model and understand the development of the EAS in 
 the earth’s atmosphere. In this work\, the lateral distribution of cosmi
 c ray muons was investigated using two-fold coincidences. Four detectors w
 ere positioned at two-fold coincidence separated at regular intervals. The
  coincidence rate was between these detector stations was measured. The me
 asured data was compared with Monte Carlo (MC) simulations of EAS. The EPO
 S and GHEISHA models were used for high and low-energy particle interactio
 ns respectively. The analyses indicate the following composition of primar
 y cosmic ray: protons (81±0.01) %\, helium (10±0.04) %\, and iron and he
 avier elements (9±5.88) %. The knowledge gained from the lateral distribu
 tion of cosmic ray muons is essential for the understanding of the interac
 tion of cosmic ray particles and the development of extensive air showers.
  Furthermore\, this information enhances our understanding of the chemical
  composition of primary cosmic ray particles.\n\nhttps://indico.tlabs.ac.z
 a/event/139/contributions/3814/
LOCATION:NRF-iThemba LABS\, Old Faure Road\, Cape Town Auditorium
URL:https://indico.tlabs.ac.za/event/139/contributions/3814/
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