Gamma ray signatures of ultra high energy cosmic ray sources

被引：0
|
作者：
Gabici, S [1 ]
Aharonian, FA [1 ]
机构：
[1] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany
来源：
Astrophysical Sources of High Energy Particles and Radiation | 2005年 / 801卷
关键词：
cosmic rays; gamma ray sources;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We discuss the possibility of observing distant accelerators of ultra high energy cosmic rays (UHECR) in synchrotron gamma rays. Protons propagating away from their acceleration site produce extremely energetic electrons during photopion interactions with cosmic microwave background (CMB) photons. If the magnetic field close to the accelerator is at the nG level, the synchrotron radiation from these electrons appears to a distant observer as a point-like GeV source.
引用
收藏
页码：80 / 81
页数：2
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