银河系磁场中的UHECR传播
UHECR propagation in the Galactic Magnetic Field
摘要：
对超高能宇宙线在银河系磁场（GMF）中的传播进行了广泛的模拟，并给出了模拟结果。大尺度GMF和/或初级粒子假设的不同可用模型的使用导致最高能量宇宙射线（CR）的明显不同的偏转图案。银河场的透镜效应改变了UHECR实验对河外天空的暴露。为了量化这些影响的皮埃尔俄歇实验，我们进行了相关性分析的模拟宇宙射线事件样本，从地球回溯到银河系边界，与活动星系核（AGN）从第12版的Véron-Cetty和Véron目录。在合理的UHECR源情景下需要进一步的前向跟踪研究，以便与附近活动星系核和最高能量俄歇事件之间的观测相关性进行直接比较。
英文摘要：
Extensive simulations of the ultra-high energy cosmic ray (UHECR) propagation in the Galactic magnetic field (GMF) have been performed, and the results are presented. The use of different available models of the large-scale GMF and/or primary particle assumptions leads to distinctly different deflection patterns of the highest energy cosmic rays (CR). The lensing effects of the Galactic field modify the exposure of an UHECR experiment to the extragalactic sky. To quantify these effects for the Pierre Auger experiment, we performed a correlation analysis of the simulated cosmic ray event samples, backtracked from the Earth to the Galactic border, with the active galactic nuclei (AGN) from the 12th edition of the Véron-Cetty and Véron catalogue. Further forward-tracking studies under plausible UHECR sources scenarios are needed to allow for direct comparison with the observed correlation between the nearby AGN and the highest energy Auger events.
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