宇宙射线大气簇射数值模拟的模型依赖

摘要

The process of extensive air shower induced by cosmic rays has been simulated. By analyzing the multiplicity of secondary particles and the vertical development of extensive air shower, the model dependence in numeral simulation of extensive air shower induced by cosmic rays has been discussed. In the lower energy region, it shows a nice coincidence between simulated data and experimental ones. Meanwhile, with the increasing of energy, the discrepancy becomes more and more conspicuous.%利用CORSIKA模拟宇宙射线大气簇射过程，通过分析簇射产生次级粒子多重数分布以及簇射纵向发展情况，讨论了宇宙射线大气簇射数值模拟对强子相互作用模型的依赖情况．结果表明，在部分低能区数值模拟结果与实验观测结果吻合较好；但是在部分高能区，数值模拟结果与实验结果存在明显差异．