Numerical calculation on efficiencies of LaBr<sub>3</sub>（Ce） detector for γ-rays produced by gaseous β<sup>+</sup> annihilation in Marinelli beaker

LIU Yuelong1 QU Guopu1 ZHAO Yue1 LIU Yueyong2 1

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Numerical calculation on efficiencies of LaBr₃（Ce） detector for γ-rays produced by gaseous β⁺ annihilation in Marinelli beaker

更新时间：2021-03-05

- Numerical calculation on efficiencies of LaBr₃（Ce） detector for γ-rays produced by gaseous β⁺ annihilation in Marinelli beaker
- NUCLEAR TECHNIQUES Vol. 34, Issue 8, (2011)
- 作者机构：
  
  1. 南华大学核科学技术学院
  2. 华南农业大学
- 作者简介：
- 基金信息：
  
  国防基础预研项目(A3720060117)资助
- DOI：
  CLC： TL812.1
- Published：01 August 2011
- 稿件说明：
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[1]刘跃龙,屈国普,赵越,刘跃勇.LaBr_3(Ce)探测器对MB容器中气态β~+电子湮灭γ光子探测效率的数值计算[J].核技术,2011,34(08):589-593.

LIU Yuelong1 QU Guopu1 ZHAO Yue1 LIU Yueyong2 1. Numerical calculation on efficiencies of LaBr₃（Ce） detector for γ-rays produced by gaseous β⁺ annihilation in Marinelli beaker[J]. Nuclear techniques, 2011, 34(8): 589-593.
[1]刘跃龙,屈国普,赵越,刘跃勇.LaBr_3(Ce)探测器对MB容器中气态β~+电子湮灭γ光子探测效率的数值计算[J].核技术,2011,34(08):589-593. DOI：

LIU Yuelong1 QU Guopu1 ZHAO Yue1 LIU Yueyong2 1. Numerical calculation on efficiencies of LaBr₃（Ce） detector for γ-rays produced by gaseous β⁺ annihilation in Marinelli beaker[J]. Nuclear techniques, 2011, 34(8): 589-593. DOI：

摘要

基于蒙特卡罗

建立数学几何模型

用数值计算方法模拟计算了LaBr3探测器对不同体积的MB容器中气态β+电子湮灭产生γ光子的探测效率。数值计算结果与MCNP软件模拟结果在一定范围内一致。本文为计算LaBr3探测器对气态β+粒子的探测效率提供了一套可行的理论计算方法

同时为开发一套无源效率刻度软件做了铺垫。计算结果为实验刻度其探测效率提供了有效的参考依据。

Abstract

This work was aimed at developing a software for radioactive-source-free calibration of LaBr3(Ce) scintillator to detect the γ-rays from gaseous β+ annihilation in a Marinelli beaker.Based on a Monte Carlo model

a feasible method of numerical calculation was developed to calculate the detector efficiency.The results of the numerical calculation agreed well with the data obtained using the MCNP code.This is of the first steps in our research efforts to calibrate LaBr3(Ce) detector efficiency without radioactive sources.

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Numerical calculation on efficiencies of LaBr3（Ce） detector for γ-rays produced by gaseous β+ annihilation in Marinelli beaker

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摘要

Abstract

关键词

Keywords

references

Numerical calculation on efficiencies of LaBr₃（Ce） detector for γ-rays produced by gaseous β⁺ annihilation in Marinelli beaker