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Study of variation in Cosmic ray Intensity due to Solar-Interplanetary activity between 1996-2013

Author Affiliations

  • 1Department of Physics, Jawahar Lal Nehru College of Technology, Rewa, MP, INDIA
  • 2 Department of Physics, Rewa Engineering College, Rewa, MP, INDIA
  • 3 Department of Physics, Model Science College, Rewa, MP, INDIA
  • 4 Department of Physics, A.P.S. University, Rewa, MP, INDIA

Res. J. Physical Sci., Volume 2, Issue (3), Pages 4-8, June,4 (2014)

Abstract

Solar outputs and their variations are responsible to produce changes in cosmic ray intensity (CRI) both on short-term as well as on long–term basis. It is observed that sunspot number; 10.7 cm solar radio flux, coronal mass ejections (CMEs) and solar flares are the causal link to solar activity. Moreover, coronal mass ejections are associated with a variety of interplanetary plasma and field disturbances. Based on the observation from Omniweb data centre for solar- interplanetary data activity and monthly mean count rate of cosmic ray intensity (CRI) variation data from neutron monitors (Moscow, Oulu, Keil) during the period of 1996-2013.We observed a record high value of cosmic ray intensity with low values of solar interplanetary activity parameters during minimum of solar cycle 23 and ascending phase of 24. Statistical techniques are used to correlate data of solar interplanetary and count rate of cosmic ray intensity i.e. better anti-correlated with solar activity parameters.

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