Evidence for muon production by particles from Cygnus X-3

  • M. L. Marshak
  • , J. Bartelt
  • , H. Courant
  • , K. Heller
  • , T. Joyce
  • , E. A. Peterson
  • , K. Ruddick
  • , M. Shupe
  • , D. S. Ayres
  • , J. Dawson
  • , T. Fields
  • , E. N. May
  • , L. E. Price
  • , K. Sivaprasad

Research output: Contribution to journalArticlepeer-review

Abstract

We have observed underground cosmic-ray muons, corresponding to a secondary flux of 7×10-11 cm-2 s-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.

Original languageEnglish (US)
Pages (from-to)2079-2082
Number of pages4
JournalPhysical review letters
Volume54
Issue number19
DOIs
StatePublished - 1985
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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