Nonextensive thermal sources of cosmic rays

• Authors: Grzegorz Wilk , Zbigniew Włodarczyk
• Languages of publication: EN

Abstracts

EN

The energy spectrum of cosmic rays exhibits power-like behavior with a very characteristic ‘knee’ structure. We consider a possibility that such a spectrum could be generated by some specific nonstatistical temperature fluctuations in the source of cosmic rays with the ‘knee’ structure reflecting an abrupt change of the pattern of such fluctuations. This would result in a generalized nonextensive statistical model for the production of cosmic rays. The possible physical mechanisms leading to these effects are discussed together with the resulting chemical composition of the cosmic rays, which follows the experimentally observed abundance of nuclei.

Keywords

EN

cosmic rays; nonextensive thermal sources

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2010
• Volume: 8
• Issue: 5
• Pages: 726-736

Dates

published

1 - 10 - 2010

online

22 - 7 - 2010

Contributors

author

Grzegorz Wilk

• Theoretical Physics Department, The Andrzej Sołtan Institute for Nuclear Studies, ul. Hoża 69, 00-681, Warsaw, Poland

author

Zbigniew Włodarczyk

• Institute of Physics, Jan Kochanowski University, ul. Świȩtokrzyska 15, 25-405, Kielce, Poland

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Identifiers

DOI

10.2478/s11534-009-0164-z