Particle trajectory tracing in the geomagnetic field

Ming Huey A. Huang, Shih Chang Lee, Ping Yeh, Zhongliang Ren, Yao Li Chuang

研究成果: 雜誌貢獻期刊論文同行評審

5 引文 斯高帕斯(Scopus)


The particles detected in a near Earth orbit could be primary cosmic rays, trapped radiation, or albedo particles produced in the atmosphere. To understand the origin of these particles, we have developed a set of programs to trace charged particles in the geomagnetic field. The algorithm and the model of the geomagnetic field adopted are described in this article. The numerical errors are studied in two ways, as a function of either the tracing time or the gyration step size. An optimal step size of 0.04 rad is selected for further analyses. Using this program, we studied the data obtained by the Alpha Magnetic Spectrometer and were able to differentiate cosmic rays from atmospheric secondary particles.

頁(從 - 到)1-11
期刊Chinese Journal of Physics
出版狀態已出版 - 2001


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