High-precision half-life measurement of 123Xe and 125Xe for fuel areal density diagnosing in inertial confinement fusion

被引：3

作者：

Zeng Jun ^{[1
]}

Zhang Yingzeng ^{[1
]}

Gong Youjin ^{[1
]}

Luo Fei ^{[1
]}

Xiang Qingpei ^{[1
]}

Xiang Yongchun ^{[1
]}

Hao Fanhua ^{[1
]}

机构：

[1] China Acad Engn Phys, Inst Nucl Phys & Chem, Mianyang 621900, Sichuan, Peoples R China

来源：

APPLIED RADIATION AND ISOTOPES | 2021年 / 168卷

基金：

中国国家自然科学基金;

关键词：

Xe-123; Xe-125; Half-life; Reference source method; ICF; NUCLEAR-DATA SHEETS;

D O I：

10.1016/j.apradiso.2020.109511

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The half-lives of Xe-123 and Xe-125 are important to diagnose deuterium-tritium (DT) fuel areal density in inertial confinement fusion (ICF). In this work, those two half-lives have been measured with HPGe gamma-ray spectrometers using the reference source method. Data have been recorded over seven half-lives with three independent measurements for Xe-123 and two for Xe-125. New values of Xe-123 (2.040 +/- 0.009) h and Xe-125 (17.048 +/- 0.032) h have been determined with significant reduction of the uncertainty compared to the currently recommended value of (2.08 +/- 0.02) and (16.9 +/- 0.2) h, respectively.

引用

页数：7

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