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Durham University

Department of Physics

Staff profile

Publication details for Prof Sir Arnold Wolfendale

Erlykin, AD & Wolfendale, AW (2000). Multiple muons in cosmic rays and the single source model of the knee. Journal Of Physics G-nuclear And Particle Physics 26(2): 203-218.
  • Publication type: Journal Article
  • ISSN/ISBN: 0954-3899
  • Keywords: UNDERGROUND MUONS; MACRO; ENERGIES; PHYSICS; BUNDLES

Author(s) from Durham

Abstract

In previous work we have argued that the well known 'knee' in the
cosmic ray energy spectrum (at similar to 3 PeV) is anomalously sharp
and cannot be due to the usually claimed Galactic modulation (GM)
mechanism. Instead we claim that it is due, largely, to particles from
a single, local, recent source (the single source model (SSM)). We have
examined many aspects of cosmic ray physics and found support for the
model. Here, we examine results from the large underground detectors
which have been operated over the last decade or so-and which have
given the multiplicity distribution of energetic muons(mainly in the
TeV region). There should be a signal in the multiplicity distribution
which is conditioned by the primary mass composition and spectral shape.
Our contention is that the multiple muon results are inconsistent with
the GM mechanism but are, in fact, consistent with expectation from the
SSM.