Simulation study on high energy cosmic electron detection by shower image

Rong Xu, Jin Chang, S. Torii, K. Kasahara, T. Tamura, K. Yoshida

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Many projects have recently been carried out and proposed for observing high energy electrons since it is realized that cosmic ray electrons are very important when studying the dark matter particles and the acceleration mechanism of cosmic rays. An imaging calorimeter, BETS (Balloon-borne Electron Telescope with Scintillator fiber), has been developed for this purpose. Using pattern analysis of the shower development, the electrons can be selected from those primary cosmic ray proton events with flux heights one-tenth that of the electrons. The Monte-Carlo simulation is indispensable for the instrument design, the signal trigger and the data analysis. We present different shower simulation codes and compare the simulation results with the beam test and the flight data of BETS. We conclude that the code FLUKA2002 gives the most consistent results with the experimental data.

Original languageEnglish
Pages (from-to)839-844
Number of pages6
JournalChinese Journal of Astronomy and Astrophysics
Volume7
Issue number6
DOIs
Publication statusPublished - 2007 Dec 1
Externally publishedYes

Keywords

  • Cosmic rays
  • Methods: analytical
  • Monte-Carlo simulation

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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