Derormation of the heliospheric current sheet as a reason of long-term cosmic ray variations

Details Derormation of the heliospheric current sheet as a reason of long-term cosmic ray variations Derormation of the heliospheric current sheet as a reason of long-term cosmic ray variations

Aug 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001icrc....9.3871k&link_type=abstract

Proceedings of the 27th International Cosmic Ray Conference. 07-15 August, 2001. Hamburg, Germany. Under the auspices of the Int

Physics

Scientific paper

The analysis of neutron monitor data at McMurdo, Rome and Tokyo stations in the periods of negative (1982 - 1988) and positive (1992 - 1998) polarities of the general magnetic field of the Sun revealed the dependence of longterm cosmic ray modulation on the current sheet deformation as well as the solar activity level. Thereby, at the positive polarity the solar activity level is of predominant influence, and at the negative polarity an angle of current sheet is dominant. It is found that the reason of this dependence is the magnetic drift of cosmic rays, the trajectory of which intersects the interaction region of fast and slow solar wind.

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