Prompt and delayed high-energy emission from cosmological gamma-ray bursts

被引：3
|
作者：
Böttcher, M
Dermer, CD
机构：
[1] Rice Univ, Dept Space Phys & Astron, Houston, TX 77005 USA
[2] USN, Res Lab, EO Hulburt Ctr Space Res, Washington, DC 20375 USA
来源：
ASTROPARTICLE PHYSICS | 1999年 / 11卷 / 1-2期
关键词：
D O I：
10.1016/S0927-6505(99)00034-1
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In the cosmological blast-wave model for gamma ray bursts (GRBs), high energy (greater than or similar to 10 GeV) gamma-rays are produced either through Compton scattering of soft photons by ultrarelativistic electrons, or as a consequence of the acceleration of protons to ultrahigh energies. We describe the spectral and temporal characteristics of high energy gamma-rays produced by both mechanisms, and discuss how these processes can be distinguished through observations with low-threshold Cerenkov telescopes or GLAST. We propose that Compton scattering of starlight photons by blast wave electrons can produce delayed hares of GeV-TeV radiation. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：113 / 115
页数：3
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