Long-term Modulation of Cosmic Ray Intensity in Statistical Relation with Coronal Mass Ejections and Solar Flare Index Parameters

Nand Kumar Patel, Puspraj Singh, Dheeraj Ahire, J. D. Prajapati

Abstract


We have studied statistically correlative analysis of long-term modulation of cosmic ray intensity (CRI) with coronal mass ejections and solar flare index for the period of 1997 to 2010 (23rd and 24th solar cycle). Inverse correlation has been found between solar activity parameters cosmic ray intensity (CRI), coronal mass ejections, solar flare index. Negative correlation with correlation coefficient -0.83 has been found between cosmic ray intensity and coronal mass ejections. Negative correlation with correlation coefficient -0.70 has been found between cosmic ray intensity and solar flare index number.

Keywords: Cosmic Ray Intensity, Coronal Mass Ejections and Solar Flare Index.


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ISSN (Paper)2224-719X ISSN (Online)2225-0638

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