Cosmic-ray modulation and long-duration solar flare events |
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| Authors: | K Kudela A Antalová D Venkatesan J Rybák |
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| Institution: | (1) Institute of Exp. Physics, Slovak Academy of Sciences, 04353 Ko ice, Slovakia;(2) Institute of Exp. Physics, Slovak Academy of Sciences, 04353 Koice, Slovakia;(3) Astronomical Institute, Slovak Academy of Sciences, 059 60 Tatranská Lomnica, Slovakia;(4) Department of Physics and Astronomy, University of Calgary, T2N 1N4 Alberta, Calgary, Canada;(5) Astronomical Institute, Slovak Academy of Sciences, 059 60 Tatranská Lomnica, Slovakia |
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| Abstract: | The correlation between the long-term intensity variations of cosmic rays at neutron monitor energies and the LDE index measure of solar flares with long-lasting soft X-ray emissions is reported. Three subsequent solar cycles, 20–22, are taken into account and half-monthly data are analyzed. Possible explanation of this correlation is discussed in terms of the recent concepts of cosmic-ray modulation, in particular with merged interaction regions affecting the cosmic-ray intensity. |
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