The structure of the solar cycle maximum phase in the galactic cosmic ray 11-year variation |
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Authors: | MB Krainev GA Bazilevskaya |
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Institution: | Lebedev Physical Institute RAS, Leninsky Prospect, 53, Moscow 119991, Russian Federation |
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Abstract: | Two phenomena connected with the maximum phase of the 11-year solar cycle in the galactic cosmic ray intensity – the change in the energy dependence of the intensity variations and the double-peak structure in the intensity modulation time profile – are considered for the last five solar cycles (Nos. 19–23). The distinct 22-year cycle in the magnitude of the so called energy hysteresis is observed.The periods of the solar cycle maximum phase in the galactic cosmic ray intensity, characterized by the specific energy dependence of the intensity, are estimated. It is found that the double-peak structures belonging to the solar cycle maximum phase and those around it are very similar both in the amplitude and in its energy dependence. |
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Keywords: | Galactic cosmic rays Neutron monitors Stratospheric cosmic ray data Solar cycle Maximum phase Energy hysteresis Double-peak structure Gnevyshev gap effect |
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