宇宙射线传播与伽马射线产生的数值模型
天体物理学
2008-02-03 v2
摘要
已开发出一项广泛的天体银河系宇宙射线传播计算程序。包括一次性和次级质子、一次性和次级电子以及次级正电子。基本的空间传播机制为(动量依赖的)扩散、对流,而在动量空间中则处理能量损失和扩散重加速。采用真实的星际气体和辐射场分布计算碎裂和能量损失。对星际伽马射线和同步辐射作出预测。我们新估算的宇宙射线正电子光谱与最新的实验数据进行比较。
引用
@article{arxiv.astro-ph/9706010,
title = {Numerical models for cosmic ray propagation and gamma ray production},
author = {A. W. Strong and I. V. Moskalenko and V. Schoenfelder},
journal= {arXiv preprint arXiv:astro-ph/9706010},
year = {2008}
}
备注
4 pages including 12 figures, latex2e, epsfig.sty, wrapfig.sty, times.sty, mathptm.sty. Proc. 25th International Cosmic Ray Conference (Durban, South Africa), 1997, v. 4, p. 257-260. Details can be found at http://www.gamma.mpe-garching.mpg.de/~aws/aws.html N.B. An error in Fig.6 (a scale of the axis Intensity) is now corrected