The Characteristics of Cosmic Rays in a Fractal Medium

We consider the galactic propagation of cosmic rays with energies below the knee of the cosmic ray spectrum (at 3×106 GeV). Lagutin and his colleagues suggested that propagation in a fractal medium would be an appropriate model for such particles and pointed out that a different diffusion equation t...

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Bibliographic Details
Published inISRN high energy physics Vol. 2012; no. 2012; pp. 1 - 5
Main Authors Doostmohammadi, S., Fatemi, S. J.
Format Journal Article
LanguageEnglish
Published Cairo, Egypt Hindawi Puplishing Corporation 26.03.2012
International Scholarly Research Network
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Summary:We consider the galactic propagation of cosmic rays with energies below the knee of the cosmic ray spectrum (at 3×106 GeV). Lagutin and his colleagues suggested that propagation in a fractal medium would be an appropriate model for such particles and pointed out that a different diffusion equation to that usually assumed is then required. We present results of calculations using a diffusion equation appropriate to an inhomogeneous medium. These results are encouraging and can fit properties of the energy density of cosmic rays using the supernova model of Erlykin and Wolfendale. The containment time of cosmic rays, in such a modeling of propagation in a fractal medium, is discussed.
ISSN:2090-7427
2090-7427
DOI:10.5402/2012/673250