Measurement of differential cross section for the ~6Li(n,t)~4He reaction   by using gridded ionization chamber

ZHANG Guohui  TANG Guoyou  CHEN Jinxiang  SHI Zhaomin  LIU Guangzhi

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Measurement of differential cross section for the ~6Li(n,t)~4He reaction by using gridded ionization chamber

更新时间：2021-03-12

- Measurement of differential cross section for the ~6Li(n,t)~4He reaction by using gridded ionization chamber
- NUCLEAR TECHNIQUES Issue 4, (2001)
- 作者机构：
  
  1. 北京大学重离子物理研究所,北京,100871
  2. 清华大学物理系,北京,100084
- 作者简介：
- 基金信息：
  
  中国核数据中心资助项目;北京大学重离子物理研究所开放课题
- DOI：
  CLC： TL811.1
- Published：01 April 2001
- 稿件说明：
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[1]张国辉,唐国有,陈金象,施兆民,刘广智,张雪梅,陈泽民.用屏栅电离室测量~6Li(n,t)~4He反应微分截面[J].核技术,2001(04):241-245.

ZHANG Guohui TANG Guoyou CHEN Jinxiang SHI Zhaomin LIU Guangzhi. Measurement of differential cross section for the ~6Li(n,t)~4He reaction by using gridded ionization chamber[J]. Nuclear techniques, 2001, (4): 241-245.
[1]张国辉,唐国有,陈金象,施兆民,刘广智,张雪梅,陈泽民.用屏栅电离室测量~6Li(n,t)~4He反应微分截面[J].核技术,2001(04):241-245. DOI：

ZHANG Guohui TANG Guoyou CHEN Jinxiang SHI Zhaomin LIU Guangzhi. Measurement of differential cross section for the ~6Li(n,t)~4He reaction by using gridded ionization chamber[J]. Nuclear techniques, 2001, (4): 241-245. DOI：

摘要

用屏栅电离室对 3.6 7MeV与 4 .4 2MeV中子6Li（n

t） 4He反应微分截面进行了测量。利用氘气体靶通过D（d

n） 3 He反应产生中子

用BF3 和液闪探测器（NE2 13）进行相对中子通量监测

绝对中子通量用2 3 8U（n

f）与H（n

p）反应来刻度。测量结果表明

氚的质心系微分截面在中子能量为 3.6 7MeV时很接近 90°对称

而到 4 .4 2MeV时则明显前倾

Abstract

By using a gridded ionization chamber

the differential cross sections and angle integrated cross sections for the 6Li(n

t) 4He reaction were measured at neutron energies of 3.67 and 4.42MeV. The neutrons were produced through D(d

n) 3He reaction by a deuteron gas target. Absolute neutron flux was determined through 238 U(n

f) and H(n

p) reactions. At 3.67MeV the differential cross section for triton is almost 90° symmetric but it is obviously forward peaked at 4.42MeV in the center-of-mass reference system.

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