Cosmic Ray Acceleration by Supernova Shocks

Details Cosmic Ray Acceleration by Supernova Shocks Cosmic Ray Acceleration by Supernova Shocks

2008-09-04

arxiv.org/abs/0809.0738v1

Adv.SpaceRes.41:429-441,2008

Astronomy and Astrophysics

Astrophysics

30 pages, 8 figures, Solicited talk at 36th COSPAR Scientific Assembly; Beijing, China

Scientific paper

10.1016/j.asr.2007.04.034

We analyse the results of recent measurements of nonthermal emission from individual supernova remnants (SNRs) and their correspondence to the nonlinear kinetic theory of cosmic ray (CR) acceleration in SNRs. It is shown that the theory fits these data in a satisfactory way and provides the strong evidences for the efficient CR production in SNRs accompanied by significant magnetic field amplification. Magnetic field amplification leads to considerable increase of CR maximum energy so that the spectrum of CRs accelerated in SNRs is consistent with the requirements for the formation of Galactic CR spectrum up to the energy ~10^17 eV.

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