low-backgroup pulse counting assembly

This paper analyses the integral background of a low-background anti-Compton HPGeγ-ray spectrometer by measuring the integral background under three kinds of conditions: no shield,steel-lead complex shield,and steel-lead complex shield plus anti-coincidence.

本文对一套低本底反康普顿HPGeγ谱仪系统的积分本底进行了实验研究,测量了谱仪系统在无屏蔽、屏蔽室以及屏蔽室加反符合三种条件下的积分本底。

This paper researches the shielding problem of a low-background anti-compton HPGe γ spectrometer using a point source that simulates the environmental background, based on MCNP program.

本文基于MCNP程序,用一个虚拟环境本底的放射点源模拟研究了一套低本底反康普顿HPGe γ谱仪的屏蔽,结果表明该屏蔽室具有很好的屏蔽效果,能量相对较小的γ射线几乎被完全屏蔽,并通过实验验证了模拟结果的正确性。

This paper introduces the anti-accord work principle and composing of the low-background anti-Compton HPGe γ-ray spectrometer.

介绍了低本底反康普顿HPGeγ谱仪系统的组成和反符合工作原理,在重点调试谱仪系统对137Csγ射线662keV的峰康比基础上,测量了谱仪系统对50-2000keV能量范围,在无屏蔽、钢铅复合屏蔽和反符合加钢铅复合屏蔽三种条件下的积分本底。

Ten years running of a set of low background anti-Compton HPGe γ-ray spectrometer;

一套低本底反康普顿HPGe γ谱仪十年运行回顾

This paper introduces the basic construction, the principle and the technique indexes of a set of low background anti -Compton HPGe γ - ray spectrometer.

介绍了一套低本底反康普顿高纯锗(HPGe)γ谱仪系统的基本组成、工作原理和主要技术指标,回顾了谱仪运行十年来主要指标的变化情况,介绍了十年来基于该谱仪所开展的主要工作和取得的重要成果,展望了谱仪广阔的应用前景。