【摘要】 介绍将用于中国第一颗月球探测卫星主载荷之一的伽玛射线谱仪的结构设计, Monte Carlo模拟结果和原理样机性能测试结果等．该探测器采用CsI(T1)晶体作为闪烁体和反符合技术抑制本底,可探测的射线能量范围为0．3-9．0 MeV,仪器能量分辨率是9．0％(662 keV)．更多还原

【Abstract】 The configuration, Monte Carlo simulation and testing result of Lunar Gamma-ray spectrometer used in the first lunar detection mission in China are described. The detector consists of a CsI(Tl) scintillator and PMT. The technique of anti-coincidence is used in background rejection .The energy range is 0.3-9.0MeV and the energy resolution is 9.0%(662 keV).更多还原