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    • Markov Stochastic Technique to Determine Galactic Cosmic Ray Sources Distribution

      Ashraf Farahat

      Volume 31 Issue 2 June 2010 pp 81-88

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/joaa/031/02/0081-0088

    • Keywords

       

      Cosmic rays; ISM: galactic locations; stochastic processes.

    • Abstract

       

      A new numerical model of particle propagation in the Galaxy has been developed, which allows the study of cosmic-ray production and propagation in 2D. The model has been used to solve cosmic ray diffusive transport equation with a complete network of nuclear interactions using the time backward Markov stochastic process by tracing the particles’ trajectories starting from the Solar System back to their sources in the Galaxy. This paper describes a further development of the model to calculate the contribution of various galactic locations to the production of certain cosmic ray nuclei observed at the Solar System.

    • Author Affiliations

       

      Ashraf Farahat1

      1. Department of Physics and Astronomy, Okanagan College, Kelowna, BC, V1Y4X8, Canada.

    • Dates

       
      Published
      June 2010
      Manuscript received
      3 September 2009
      Accepted
      25 April 2010

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