publication . Article . 1985

Evidence for Muon Production by Particles from Cygnus X-3

Ken Heller; Lawrence Price; T. H. Fields; J. Bartelt; J. Bartelt; T. Joyce; H. Courant; E. A. Peterson; Michael A Shupe; D. S. Ayres; ...
Open Access
  • Published: 13 May 1985 Journal: Physical Review Letters, volume 54, pages 2,079-2,082 (issn: 0031-9007, Copyright policy)
  • Publisher: American Physical Society (APS)
We have observed underground cosmic-ray muons, corresponding to a secondary flux of approx.7 x 10/sup -11/ cm/sup -2/ s/sup -1/, at a depth of 1800-m water equivalent, which appear to be initiated by Cygnus X-3. This identification is based on both direction and phase coherence. The existence of such secondary muons conflicts with the current understanding of photon cascades and/or the nature and location of Cygnus X-3.
free text keywords: Lepton, Flux, Astrophysics, Neutrino, Physics, Binary star, Radiation flux, Muon, Cosmic ray, Particle identification
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