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Study of the energy response of high pressure ionization chamber for high energy gamma-ray
作者姓名:花正东  许浔江  王建华  刘曙东  李建平
作者单位:Shanghai Institute of Applied Physics Chinese Academy of Sciences,Shanghai 201800,China,Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China,Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China,Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100049,China,Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100049,China
摘    要:The energy response calibration of the commonly used high pressure ionization chamber is very difficult to obtain when the gamma-ray energy is more than 3 MeV. In order to get the calibration of the higher part of the high pressure ionization chamber, we use the Fluka Monte Carlo program to perform the energy response in both the spherical and the cylindrical high pressure ionization chamber which are full of argon gas. The results compared with prior study when the gamma-ray energy is less than 1.25 MeV. Our result of Monte Carlo calculation shows agreement with those obtained by measurement within the uncertainty of the respective methods. The calculation of this study is significant for the high pressure ionization chamber to measure the high energy gamma-ray.

关 键 词:high  pressure  ionization  chamber    Fluka  program    energy  response
收稿时间:2007-6-26
修稿时间:2007-8-20

Study of the energy response of high pressure ionization chamber for high energy gamma-ray
HUA Zheng-Dong XU Xun-Jiang WANG Jian-Hua LIU Shu-Dong LI Jian-Ping.Study of the energy response of high pressure ionization chamber for high energy gamma-ray[J].High Energy Physics and Nuclear Physics,2008,32(5):370-372.
Authors:HUA Zheng-Dong XU Xun-Jiang WANG Jian-Hua LIU Shu-Dong LI Jian-Ping
Institution:[1]Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China [2]Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
Abstract:The energy response calibration of the commonly used high pressure ionization chamber is very difficult to obtain when the gamma-ray energy is more than 3 MeV.In order to get the calibration of the higher part of the high pressure ionization chamber,we use the Fluka Monte Carlo program to perform the energy response in both the spherical and the cylindrical high pressure ionization chamber which are full of argon gas.The results compared with prior study when the gamma-ray energy is less than 1.25 MeV. Our result of Monte Carlo calculation shows agreement with those obtained by measurement within the uncertainty of the respective methods.The calculation of this study is significant for the high pressure ionization chamber to measure the high energy gamma-ray.
Keywords:high pressure ionization chamber  Fluka program  energy response
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