PeV gamma rays from interactions of ultra high energy cosmic rays in the Milky Way

被引：9
作者：
Gupta, Nayantara [1 ,2 ]
机构：
[1] Indian Inst Space Sci & Technol, Dept Phys, Trivandrum, Kerala, India
[2] Raman Res Inst, Astron & Astrophys Grp, Bangalore 560080, Karnataka, India
来源：
ASTROPARTICLE PHYSICS | 2012年 / 35卷 / 08期
关键词：
PeV gamma rays; Milky Way; ELEMENTAL GROUPS; RADIATION; EMISSION; SPECTRA; ORIGIN;
D O I：
10.1016/j.astropartphys.2011.11.002
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The PeV gamma ray background produced in the interactions of ultra high energy cosmic rays with the ambient matter and radiations during their propagation in the Milky Way has been calculated in this paper. If the primary ultra high energy cosmic rays are produced from Galactic point sources then those point sources are also emitting PeV gamma rays. We discuss that the detection of galactocentric PeV gamma rays in the future would be a signature of the presence of EeV cosmic accelerators in the Milky Way. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：503 / 507
页数：5
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