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Relativistic solar cosmic ray dynamics in large ground level eventsстатья
- Авторы: Vashenyuk E.V., Balabin Yu V., Gvozdevsky B.B.
- Сборник: Proceedings of the 21st European Cosmic Ray Symposium, Kosice, Slovakia, 9-12 September 2008, edited by P. Kiraly, K. Kudela, M.Stehlik, A.W. Wolfendale
- Глава в коллективной монографии
- Год издания: 2008
- Место издания: Kosice, Slovakia
- Первая страница: 264
- Последняя страница: 268
- Аннотация: The neutron monitors (NMs) long since and down to the present time remain the basic means of relativistic solar cosmic rays study. These particles are observed in rather rare Ground Level Enhancement (GLE) events. The rate of GLEs occurrence is ~ 1 per year. For 66 years from the first GLE registered on 28 February, 1942, only 70 events occurred up to now. The worldwide network of neutron monitors can be considered as a multidirectional cosmic ray spectrometer. The author’s GLE modeling technique employing the optimization methods and modern magnetosphere models allows obtaining characteristics of relativistic solar protons (RSP): rigidity (energy) spectrum, anisotropy axis and pitch angle distribution in the primary solar proton flux. Two distinct populations of RSP: the prompt and delayed ones probably having different origins on the Sun have been revealed. To the present time the authors analyzed by a GLE modeling 22 events, the brief items of information about which are considered.
- Добавил в систему: Балабин Юрий Васильевич