Pair-Compton cascading in a spatially varying anisotropic radiation field

被引：35
|
作者：
Protheroe, R. J. [1 ]
Mastichiadis, A. [2 ]
Dermer, C. D. [3 ]
机构：
[1] Univ Adelaide, Dept Phys & Math Phys, Adelaide, SA 5000, Australia
[2] Max Planck Inst Kernphys, D-6900 Heidelberg, Germany
[3] Rice Univ, Dept Space Phys & Astron, Houston, TX 77251 USA
来源：
ASTROPARTICLE PHYSICS | 1992年 / 1卷 / 01期
基金：
澳大利亚研究理事会;
关键词：
D O I：
10.1016/0927-6505(92)90012-O
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
When energetic electrons Compton scatter soft photons in the Klein-Nishina regime, the produced gamma rays are subject to photon photon pair attenuation, and a pair-Compton cascade results. We examine the formation of such cascades in the spatially varying photon fields encountered by high-energy electrons and photons emitted from luminous compact objects. Constraints on the geometry of the soft photon source and the location of the gamma-ray production site are deduced from observations of 100 MeV and TeV gamma rays emitted by galactic compact objects and active galactic nuclei.
引用
收藏
页码：113 / 127
页数：15
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