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Calibration of HEPD on KOMPSAT-1 Using the KCCH Cyclotron

  • Shin, Young-Hoon (Satellite Technology Research Center, Korea Advanced Institute of Science and Technology) ;
  • Rhee, Jin-Geun (Department of Physics, Korea Advanced Institute of Science and Technology) ;
  • Min, Kyoung-Wook (Department of Physics, Korea Advanced Institute of Science and Technology) ;
  • Lee, Chun-Sik (Department of Physics, Chung-Ang University) ;
  • Lee, Ju-Hahn (Department of Physics, Chung-Ang University) ;
  • Kwon, Young-Kwan (Department of Physics, Chung-Ang University) ;
  • Kim, Jong-Chan (Department of Physics, Seoul National University) ;
  • Ha, Jang-Ho (Department of Physics, Seoul National University) ;
  • Park, Se-Hwan (Department of Physics, Seoul National University) ;
  • Lee, Chang-Hack (Department of Physics, Seoul National University) ;
  • Park, H.S. (Department of Physics, Seoul National University) ;
  • Kim, Young-Kyun (Korea Atomic Energy Research Institute) ;
  • Chai, Jong-Seo (Korea Cancer Center Hospital, KAERI) ;
  • Kim, Yu-Seong (Korea Cancer Center Hospital, KAERI) ;
  • Lee, Hye-Young (Korea Cancer Center Hospital, KAERI)
  • Published : 1999.12.01

Abstract

Space Physics Sensor (SPS) on-board the KOMPSAT-1 consists of the High Energy Particle Detector (HEPD) and the Ionospheric Measurement Sensor (IMS). The HEPD is to characterize the low altitude high energy particle environment and the effects on the microelectronics due to these high energy particles. It is composed of four sensors: Proton and Electron Spectrometer(PES), Linear Energy Transfer Spectrometer (LET), Total Dose Monitor (TDM), and Single Event Monitor (SEM). 35 MeV proton beam from the medical KCCH cyclotron, at Korea Cancer Center Hospital in Seoul, is used to calibrate the PES. Primary proton beam of 35MeV scattered by polypropylene target is converted to various energy protons according to the elastic collision kinematics. In this calibration, the threshold level of the proton in the PES can be determined and the energy ranges of PES channels are also calibrated.

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