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Decay phase of energetic electrons and protons in solar cosmic ray events

  • Proceedings of the XXX All-Russia Conference on Cosmic Rays
  • Published:
Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The decay phase of solar energetic particle (proton and electron) events is considered. The propagation mechanisms for particles of different kind may differ in the same events, which should manifest itself in the pecularities of their decay phases. To compare the propagation parameters of protons and electrons, we used the data of simultaneous measurements of few-MeV proton and few-hundred-keV electron fluxes from IMP-8 CPME and SOHO COSTEP. Nearly half of clear-shaped simultaneously measured electron and proton decays have similar character (exponential or power-law), suggesting that at least in a part of events electrons can be subjected to the same propagation mechanisms as protons.

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Authors and Affiliations

  1. Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, 119991, Russia

    E. I. Daibog & Yu. I. Logachev

  2. Central Physical Research Institute, Budapest, Hungary

    K. Kecskemety

Authors
  1. E. I. Daibog
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  2. K. Kecskemety
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  3. Yu. I. Logachev
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Correspondence to E. I. Daibog.

Additional information

Original Russian Text © E.I. Daibog, K. Kecskemety, Yu.I. Logachev, 2009, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2009, Vol. 73, No. 3, pp. 336–338.

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Daibog, E.I., Kecskemety, K. & Logachev, Y.I. Decay phase of energetic electrons and protons in solar cosmic ray events. Bull. Russ. Acad. Sci. Phys. 73, 319–321 (2009). https://doi.org/10.3103/S1062873809030113

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  • DOI: https://doi.org/10.3103/S1062873809030113

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