Statistic Model for Galactic Cosmic Rays

Xu Chunxian; Dai Hongyue

Chinese Physics C> 1997, Vol. 21> Issue(S2) : 25-32

Statistic Model for Galactic Cosmic Rays

Xu Chunxian ¹ ,
Dai Hongyue ²

1. Institute of High Energy Physics, the Chinese Academy of Sciences, Beijing, China;
2. Department of Physics, University of Utah, Salt Lake City, UT 84112 U. S. A

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Abstract：
This paper supposes that all cosmic ray (CR) particles of energy below 3×10¹⁸eV mainly originate and accelerate in an individual explosion of the supernova (SN) in the Galaxy; with the use of an isotropic diffusion propagation model, the non-steady state density distribution of Iron nuclei is investigated. Considering the effect of extragalactic CRs and the variety of the galactic CR nuclei, the statistic model of galactic CRs with a reasonable distribution of the galactic SNs in space and time can account for the spectrum of CRs in the energy range of 10¹²-10²⁰eV quite well.
- primary cosmic rays ,
- cosmic ray composition ,
- cosmic ray spectra ,
- cosmic ray propagation

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Xu Chunxian and Dai Hongyue. Statistic Model for Galactic Cosmic Rays[J]. Chinese Physics C, 1997, 21(S2): 25-32.

Xu Chunxian and Dai Hongyue. Statistic Model for Galactic Cosmic Rays[J]. Chinese Physics C, 1997, 21(S2): 25-32. shu

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Received: 1996-07-03

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Statistic Model for Galactic Cosmic Rays

Xu Chunxian ^1,
Dai Hongyue ^2,

1. Institute of High Energy Physics, the Chinese Academy of Sciences, Beijing, China;
2. Department of Physics, University of Utah, Salt Lake City, UT 84112 U. S. A

Received Date: 1996-07-03

Abstract: This paper supposes that all cosmic ray (CR) particles of energy below 3×10¹⁸eV mainly originate and accelerate in an individual explosion of the supernova (SN) in the Galaxy; with the use of an isotropic diffusion propagation model, the non-steady state density distribution of Iron nuclei is investigated. Considering the effect of extragalactic CRs and the variety of the galactic CR nuclei, the statistic model of galactic CRs with a reasonable distribution of the galactic SNs in space and time can account for the spectrum of CRs in the energy range of 10¹²-10²⁰eV quite well.