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Ground-level energetic solar particle event on 24 May 1990: Possibility of direct solar neutron detection

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Abstract

The first increase in neutron monitor count rate during the ground-level event on 24 May 1990 was interpreted by Shea et al. (1991) as a consequence of an arrival of flare neutrons. Debrunner et al. (1991) rejected the neutron hypothesis and proposed that the first neutron monitor increase was due to the arrival of primary protons. We have show that neutron monitor data do not contradict the hypothesis of a neutron origin of the first increase of ground-level event on 24 May 1990.

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Authors and Affiliations

  1. Physico-Technical Institute, 194021, St. Petersburg, Russia

    G. A. Kovaltsov & Yu. E. Efimov

  2. State Technical University, 195251, St. Petersburg, Russia

    L. G. Kocharov

Authors
  1. G. A. Kovaltsov
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  2. Yu. E. Efimov
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  3. L. G. Kocharov
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Kovaltsov, G.A., Efimov, Y.E. & Kocharov, L.G. Ground-level energetic solar particle event on 24 May 1990: Possibility of direct solar neutron detection. Sol Phys 144, 195–198 (1993). https://doi.org/10.1007/BF00667991

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  • DOI: https://doi.org/10.1007/BF00667991

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