REAS2:基于CORSIKA的地球同步辐射的蒙特卡罗模拟
REAS2: CORSIKA-based Monte Carlo simulations of geosynchrotron radio emission
摘要:
用Monte Carlo程序REAS 1模拟了大范围空气簇射的地球同步辐射,用解析参数描述了空气簇射中粒子的空间、时间、能量和角度分布。继任者REAS2取代这些参数化精确,多维直方图来自每个淋浴CORSIKA模拟。REAS 2允许在参数化和直方图之间独立选择每个相关的颗粒分布,使我们能够详细研究使用更真实的空气簇射模型所产生的变化。我们描述了新的模拟策略,并说明了改进的空气簇射模型引入的效果。
英文摘要:
Simulations of geosynchrotron radio emission from extensive air showers performed with the Monte Carlo code REAS1 used analytical parameterisations to describe the spatial, temporal, energy and angular particle distributions in air showers. The successor REAS2 replaces these parameterisations with precise, multi-dimensional histograms derived from per-shower CORSIKA simulations. REAS2 allows an independent selection between parameterisation and histogram for each of the relevant particle distributions, enabling us to study the changes arising from using a more realistic air shower model in detail. We describe the new simulation strategy and illustrate the effects introduced by the improved air shower model.
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