The solar wind effect on cosmic rays and solar activity

Details The solar wind effect on cosmic rays and solar activity The solar wind effect on cosmic rays and solar activity

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....5..262f&link_type=abstract

In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 5 p 262-265 (SEE N85-34991 23-93)

Physics

Cosmic Rays, Solar Activity, Solar Cycles, Solar Wind Velocity, Correlation, Flux Density, Neutron Counters, Regression Analysis, Solar Rotation, Temporal Distribution, Time Dependence

Scientific paper

The relation of cosmic ray intensity to solar wind velocity is investigated, using neutron monitor data from Kiel and Deep River. The analysis shows that the regression coefficient of the average intensity for a time interval to the corresponding average velocity is negative and that the absolute effect increases monotonously with the interval of averaging, tau, that is, from -0.5% per 100km/s for tau = 1 day to -1.1% per 100km/s for tau = 27 days. For tau 27 days the coefficient becomes almost constant independently of the value of tau. The analysis also shows that this tau-dependence of the regression coefficiently is varying with the solar activity.

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