会议论文详细信息
2014 International Conference on Science & Engineering in Mathematics, Chemistry and Physics
Analysis distribution of galactic cosmic rays particle energy with polar orbit satellite for Geant4 application
数学;化学;物理学
Suparta, W.^1 ; Putro, W.S.^1
Institute of Space Science (ANGKASA), Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia^1
关键词: Astrophysical sources;    Galactic cosmic rays;    Geant4;    GEANT4 simulation;    Polar orbit;    Satellite mission;    Simulation;    Solar particle events;   
Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/495/1/012038/pdf
DOI  :  10.1088/1742-6596/495/1/012038
来源: IOP
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【 摘 要 】

Galactic Cosmic Rays (GCR) are photon waves originating from astrophysical sources which traverse through the interstellar/interplanetary medium and reaching the terrestrial atmosphere. The energies of Galactic Cosmic Ray particles up to and exceeding 1012eV, and this spectrum are peaked around 1 GeV. The National Aeronautics and Space Administration (NASA) provide satellite mission for monitoring the energy GCR particles in polar orbit, so-called the ACE and OMNI. In this paper, we analyze results from measurement error of GCR sensor. The error result is obtained by comparing the measurements from GCR sensor with ground-based neutron monitors at Bartol University. The measurements were taken for two periods during a Solar Particle Event (SPE) maximum on 14 July 2000 and 28 October 2003. The largest value of measurement error from GCR sensor in this study is OMNI satellites. After the error results were obtained, they were applied into Geant4 simulation. This simulation shows the shape of particle energy distribution of GCR sensors. The simulation has been tested and can be operated very well under Linux based platform.

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