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使用蒙特卡罗方法模拟计算了一个用于4πγ计数的大体积阱式NaI(Tl)探测器的效率和能谱。采用一系列单能γ源标定探测器,对计算结果进行检验,其结果基本一致,两者间的最大偏差不超过±8%,证明计算结果是可靠的。
A Monte Carlo method was used to simulate the efficiency and energy spectrum of a large-volume well-type NaI (Tl) detector for 4πγ counting. Using a series of single-energy γ-source detector, the calculation results are tested, the results are basically the same, the maximum deviation between the two does not exceed ± 8%, proving the calculation results are reliable.