叙述了γ探测器的14.1 MeV中子灵敏度标定原理和屏蔽方法,利用MCNP程序建模,优化设计了对γ和中子高屏蔽性能的屏蔽体.实验研究表明,其信噪比最高达10:1,比测量点本身的信噪比1.35:1提高了7倍,从而实现了γ探测器的中子灵敏度标定.
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