Search for solar neutrons associated with series of X-class flares during the declining period of solar cycle 23

Y. Matsubara, Y. Muraki, T. Sako, K. Watanabe, T. Sakai, S. Shibata, E. Flueckiger, R. Buetikofer, A. Chilingarian, G. Hovsepyan, Y. H. Tan, T. Yuda, M. Ohonishi, H. Tsuchiya, Y. Katayose, R. Ogasawara, Y. Mizumoto, F. Kakimoto, Y. Tsunesada, A. VelardeR. Ticona, N. Martinic, P. Miranda, J. F. Valdes-Galicia, L. X. Gonzalez, A. Hurtado, O. Musale

Research output: Contribution to conferencePaperpeer-review

1 Scopus citations

Abstract

Gigantic solar flares exceeding X-class occurred 10 times in September, 2005, and 4 times in December, 2006, although the Sun had already been in the declining phase in solar cycle 23. In this paper, we report on results of the search for solar neutron events associated with these 14 X-class flares, using data obtained by the international network of solar neutron telescopes. There was no clear evidence for detecting solar neutrons within these periods, except for the significant detection of solar neutrons on September 7, 2005.

Original languageEnglish
Pages33-36
Number of pages4
StatePublished - 2007
Event30th International Cosmic Ray Conference, ICRC 2007 - Merida, Yucatan, Mexico
Duration: 3 Jul 200711 Jul 2007

Conference

Conference30th International Cosmic Ray Conference, ICRC 2007
Country/TerritoryMexico
CityMerida, Yucatan
Period3/07/0711/07/07

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