A study of γ suppression ability for a slot-collimated PIN fission chamber

MA Yanliang OUYANG Xiaoping WANG Qunshu LI Gang LI Chunhua

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A study of γ suppression ability for a slot-collimated PIN fission chamber

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- A study of γ suppression ability for a slot-collimated PIN fission chamber
- NUCLEAR TECHNIQUES Issue 8, (2005)
- 作者机构：
  
  1. 西北核技术研究所
  2. 西北核技术研究所,西安,710024
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL816
- Published：01 August 2005
- 稿件说明：
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[1]马彦良,欧阳晓平,王群书,李刚,黎春华.狭缝式脉冲裂变中子靶室对γ的抑制能力[J].核技术,2005(08):617-620.

MA Yanliang OUYANG Xiaoping WANG Qunshu LI Gang LI Chunhua. A study of γ suppression ability for a slot-collimated PIN fission chamber[J]. Nuclear techniques, 2005, (8): 617-620.
[1]马彦良,欧阳晓平,王群书,李刚,黎春华.狭缝式脉冲裂变中子靶室对γ的抑制能力[J].核技术,2005(08):617-620. DOI：

MA Yanliang OUYANG Xiaoping WANG Qunshu LI Gang LI Chunhua. A study of γ suppression ability for a slot-collimated PIN fission chamber[J]. Nuclear techniques, 2005, (8): 617-620. DOI：

摘要

本文采用MCNP程序计算了狭缝式裂变中子探测系统的伽玛灵敏度。并根据探测系统对14MeV中子灵敏度的实测值

得到了系统n/γ分辨参数。满足了n/γ分辨能力大于5的设计要求。

Abstract

The sensitivity of a slot-collimated PIN fission chamber to gamma rays has been calculated by using MCNP-4B code. Based on the theoretical data and the measured 14 MeV neutron sensitivities

the n/γ discriminations for various configurations of the system have been obtained. The results indicate that the design of the system can meet the needs of practical measurements with n/γ discrimination of more than 5.

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