论文标题
大型空气淋浴的穆恩横向分布功能：悉尼大学巨型空调录音机与现代蒙特卡洛模拟的结果
Muon lateral distribution function of extensive air showers: results of the Sydney University Giant Air-shower Recorder versus modern Monte-Carlo simulations
论文作者
论文摘要
悉尼大学巨型空调录音机（Sugar）用独特的MUON探测器测量了广泛的空气淋浴的若恩成分。糖数据使我们能够重建哑光密度对淋浴轴距离（横向分布函数（LDF）的距离）的经验依赖性。我们将该功能的形状与Hadronic Interaction模型的预测QGSJET-II-04和EPOS-LHC进行了比较，在能量范围10^17.6-10^18.6 eV中。我们发现观察到的数据与模拟之间存在差异：观察到的哑光密度随核心距离增加的速度比模拟中预测的要快。该观察结果对于在空气淋浴中的模拟和观察到的次数中的能量依赖性差异的解释可能很重要，称为“ MUON过量”。
The Sydney University Giant Air-shower Recorder (SUGAR) measured the muon component of extensive air showers with a unique array of muon detectors. The SUGAR data allow us to reconstruct the empirical dependence of muon density on the distance from the axis of the shower, the lateral distribution function (LDF). We compare the shape of this function with the predictions of hadronic-interaction models, QGSJET-II-04 and EPOS-LHC, in the energy range 10^17.6 - 10^18.6 eV. We find a difference between the observed data and the simulation: the observed muon density falls faster with the increased core distance than it is predicted in simulations. This observation may be important for interpretation of the energy-dependent discrepancies in the simulated and observed numbers of muons in air showers, known as the "muon excess".
