Parameterisation of Cherenkov light production in high-energy showers

被引：0

作者：

Nerling, F ^{[1
]}

Blümer, J ^{[1
]}

Engel, R ^{[1
]}

Risse, M ^{[1
]}

机构：

[1] Forschungszentrum Karlsruhe, Inst Kernphys, D-76021 Karlsruhe, Germany

来源：

CONTRIBUTIONS TO THE 29TH INTERNATIONAL COSMIC RAY CONFERENCE | 2005年 / 7187卷

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A new analytical description of Cherenkov light production in high energy showers is presented. It describes both the total amount and the angular distribution of the emitted Cherenkov photons as a function of the shower age. A universal parameterisation of electron energy distribution is used for calculating the total number of Cherenkov photons. Based on universality features of the angular distribution of electrons, a parameterisation of produced Cherenkov photons for a given angle to the shower axis is introduced. Thus, a complete analytical description is derived which allows the calculation of direct and scattered Cherenkov contributions to light profiles measured by experiments using the fluorescence technique. The results are compared to CORSIKA simulations and to other parameterisations.

引用

页码：145 / 148

页数：4

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