Muon bursts at the Baksan Underground Scintillation Telescope during energetic solar phenomena

  • Karpov, S.N.
  • Miroshnichenko, L.I.
  • Vashenyuk, E.V.
Publication date
January 1998
Publisher
Societa italiana di fisica

Abstract

An extended study is performed of short-term bursts of muon intensity recorded at the Baksan Underground Scintillation Telescope (BUST) in 1981-1992. The bursts may be caused by primary protons with energy EpD500 GeV. We summarize the results of data analysis obtained during 18 Ground Level Enhancements (GLE) of solar cosmic rays (SCR). It is proved that at least three of the most significant bursts are associated, with a high probability, with the GLEs of September 29, 1989, June 15, 1991, and October 12, 1981. There are definite evidences that some of 15 other bursts seem to be also associated with energetic solar phenomena—large flares, coronal mass ejections (CME), solar proton events (SPE), etc. Otherwise, it is difficult to explai...

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