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Study on anisotropy of cosmic ray distribution with a small array of water Cherenkov detectors

Sheidaei, F ; Sharif University of Technology | 2007

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  1. Type of Document: Article
  2. DOI: 10.1103/PhysRevD.76.082002
  3. Publisher: 2007
  4. Abstract:
  5. The study of the anisotropy of the arrival directions is an essential tool to investigate the origin and propagation of cosmic ray primaries. A simple way of recording many cosmic rays is to record coincidences between a number of detectors. We have monitored multi-TeV cosmic rays by a small array of water Cherenkov detectors in Tehran (35°43′N, 51°20′E, 1200 m above sea level). More than 1.1×106 extensive air shower events were recorded. In addition to the Compton-Getting effect due to the motion of the Earth in the Galaxy, an anisotropy has been observed which is due to a unidirectional anisotropy of cosmic ray flow along the Galactic arms. © 2007 The American Physical Society
  6. Keywords:
  8. Source: Physical Review D - Particles, Fields, Gravitation and Cosmology ; Volume 76, Issue 8 , 2007 ; 15507998 (ISSN)
  9. URL: https://journals.aps.org/prd/abstract/10.1103/PhysRevD.76.082002