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arXiv 1503.07734astro-ph.HEastro-ph.IM
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用μ子面阵和电磁探测器研究超高能宇宙射线质量分布的色散

Study of Dispersion of Mass Distribution of Ultra-High Energy Cosmic Rays using a Surface Array of Muon and Electromagnetic Detectors

Jakub Vícha, Petr Trávníček, Dalibor Nosek, Jan Ebr

摘要:

我们考虑一个假想的超高能宇宙射线观测站,它由两个表面探测器阵列组成,分别测量由空气簇射引起的电磁和μ子信号。使用恒定强度切割方法,比较根据两个信号大小中的每一个排序的事件集合,给出匹配事件的数量。基于对天顶角的依赖性,引入了一个对宇宙射线对数质量分布色散敏感的参数。使用强子相互作用的两个后LHC模型得到的结果是非常相似的,并表明弱依赖于这些相互作用的细节。

英文摘要:

We consider a hypothetical observatory of ultra-high energy cosmic rays consisting of two surface detector arrays that measure independently electromagnetic and muon signals induced by air showers. Using the constant intensity cut method, sets of events ordered according to each of both signal sizes are compared giving the number of matched events. Based on its dependence on the zenith angle, a parameter sensitive to the dispersion of the distribution of the logarithmic mass of cosmic rays is introduced. The results obtained using two post-LHC models of hadronic interactions are very similar and indicate a weak dependence on details of these interactions.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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