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EFFECT OF SOLAR WIND SPEED ON COSMIC RAY INTENSITY


Akande P. I.[1], Nwankwo, S. N.[2] , A. O. Chikwendu[3]
Page No.. 170-173


Abstract

Observations were made for 30 days (1st - 30th June 2013). This was done by using cosmic ray
intensity counts and average real-time bulk parameters of the solar wind speed data. These data
was simplified by partitioning the values recorded into equal range of day’s intervals for easy
interpretations. The total of 57,473,339 counts of cosmic ray and a corresponding solar wind speed
of 165,423 was recorded. Statistically, the angles of both events were well calculated and recorded.
These were clearly shown on the graphs displayed. From the results, between 22nd – 24thof June,
the eak solar win seed of 90.840 corresponded with that of cosmic ray intensity of 36.240. Also,
between 10th –12th June, minimum solar wind speed of 9.780 corresponded with the cosmic ray
intensity of 35.640. Though, most of the range of days did not follow any trend at all. This could be
due to the anomalous behavior of geomagnetic effect at that period of time.
Keywords : Solar wind, Cosmic ray, Intensity, Modulation, Particles.


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