应用蒙特卡罗方法,在VC++开发平台下编制了可以自定义NaI晶体尺寸的软件,实现对不同能量的γ射线的探测效率的计算。根据计算得到的数据矩阵拟合出不同体积探测器对点源的效率函数,并确定出函数的参数。
In this paper, the use of Monte Carlo method, in VC++ to prepare a development platform can customize the software NaI crystal size, and the different energy γ-ray detection efficiency calculations. According to calculation of the data matrix, fitting different dimension detectors point source efficiency function, and to determine the parameters of this function.