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Back-tracking studies of the arrival directions of UHECR detected by the Pierre Auger Observatory

机译：皮埃尔·奥格天文台探测到的UHECR到达方向的回溯研究

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The Pierre Auger Observatory has performed precise measurements of ultra-high energy cosmic rays (UHECRs)which carry information on their source and propagation environments. We present an analysis that explores variousfeatures of the geometry and intensity of magnetic fields that influence the trajectories of ultra-high energy cosmic rays.Under the hypothesis of pure primary protons at the energy of interest (i.e., above 50 EeV), using different catalog-basedassumptions on sources and a variety of simplistic Galactic magnetic field (GMF) models, we backtrack the arrival directionsof UHECRs observed with the Pierre Auger Observatory. We quantify self-consistency by comparing to results fora simulated set of isotropic directions. The obtained results represent an illustrative example of the potential of UHECRdata for obtaining information on their origin, their propagation, and on the properties of the GMF.
机译：皮埃尔·奥格天文台已经对超高能宇宙射线（UHECR）进行了精确测量，这些超射线载有有关其源和传播环境的信息。我们提出了一项分析，探讨了影响超高能宇宙射线轨迹的磁场的几何形状和强度的各种特征。在纯初生质子处于感兴趣能量（即高于50 EeV）的假设下，使用不同的目录基于源的假设和各种简单的银河磁场（GMF）模型，我们回溯了Pierre Auger天文台观测到的UHECR的到达方向。我们通过与各向同性方向模拟集的结果进行比较来量化自洽性。获得的结果代表了UHECR数据用于获取有关其来源，传播以及GMF性质的信息的潜力的示例。

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