Solar Modulation of Galactic Electrons and Their Diffusion Coefficient in the Heliosphere

Details Solar Modulation of Galactic Electrons and Their Diffusion Coefficient in the Heliosphere Solar Modulation of Galactic Electrons and Their Diffusion Coefficient in the Heliosphere

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003icrc....7.3847k&link_type=abstract

Proceedings of the 28th International Cosmic Ray Conference. July 31-August 7, 2003. Trukuba, Japan. Under the auspices of the I

Physics

3

Scientific paper

In the force-field approximation of solar modulation, the modulation potential Φ represents the magnitude of cosmic-ray intensity decrease. We investigate the correlations between Φ and the neutron monitor count rate N . Φ-N curve and its slope are calculated in the force-field model and compared with Φs estimated from electron experiments. Those Φs are separated into two groups of different solar polarities and the calculated curves fit them. In addition, the modulated electron spectra are calculated with various energy dependences α of the diffusion coefficient in the heliosphere. Those are sensitive to the values of α.

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