Origin of Galactic Cosmic Rays from Supernova Remnants

被引：7
|
作者：
Berezhko, E. G. [1 ]
机构：
[1] SB RAS, Yu G Shafer Inst Cosmophys Res & Aeron, Yakutsk 677891, Russia
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2014年 / 256卷
关键词：
acceleration of particles; cosmic rays; ISM: supernova remnants; DIFFUSIVE SHOCK ACCELERATION; SNR RX J1713.7-3946; MAGNETIC-FIELD AMPLIFICATION; VERY-HIGH-ENERGY; X-RAY; PARTICLE-ACCELERATION; GAMMA-RAYS; NONLINEAR AMPLIFICATION; HIGH-RESOLUTION; KINETIC-THEORY;
D O I：
10.1016/j.nuclphysbps.2014.10.003
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We analyze the results of recent measurements of Galactic cosmic ray (GCRs) energy spectra and the spectra of nonthermal emission from supernova remnants (SNRs) in order to determine their consistency with GCR origin in SNRs. It is shown that the measured primary and secondary CR nuclei energy spectra as well as the observed positron-to-electron ratio are consistent with the origin of GCRs up to the energy 10(17) eV in SNRs. Existing SNR emission data provide evidences for efficient CR production in SNRs accompanied by significant magnetic field amplification. In some cases the nature of the detected gamma-ray emission is difficult to determine because key SNR parameters are not known or poorly constrained.
引用
收藏
页码：23 / 35
页数：13
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