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Implications of Proton Anisotropy Development Observed by the ERNE Instrument During the 9 July 1996 Solar Particle Event

  • Authors: Kocharov, L. G.; Torsti, J.; Laitinen, T.; Vainio, R.
  • Publication: Solar Physics, Volume 175, Issue 2, pp.785-795, 1997
  • Solar event of 1996 July 9
  • Case study
  • ADS link
  • Abstract: We analysed the solar particle event following the 9 July 1996 solar flare. High-energy protons were detected by the ERNE instrument on board SOHO. Anisotropy of arriving protons revealed very peculiar non-monotonic development. A short period of almost isotropic distribution was imbedded into the prolonged period of beam-like distribution of 14 17 MeV protons. This implies the existence of a narrow magnetic channel with a much smaller mean free path than in the surrounding quiet solar wind plasma.

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