Emission probability measurement of 94.7 keV γ-ray for 165Dy

被引：3

作者：

Miyahara, H

Katoh, K

机构：

[1] Nagoya Univ, Sch Hlth Sci, Dept Radiol Technol, Higashi Ku, Nagoya, Aichi 4618673, Japan

[2] Nagoya Univ, Grad Sch Engn, Dept Nucl Engn, Nagoya, Aichi, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2004年 / 516卷 / 01期

关键词：

Dy-165; 94.7 keV gamma-ray; emission probability; precise measurement; gamma-ray intensity; disintegration rate;

D O I：

10.1016/j.nima.2003.07.046

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Emission probability of gamma-ray is one of the most important decay parameters of radionuclide and improvement of certainty is desired in many fields of research and application. Dy-165 decays to the ground or excited states of Ho-165 with a half-life of 2.334 h and emits 55 gamma-rays. The emission probability of the most intense 94.7 keV gamma-ray is evaluated to be 3.6 +/- 0.4% in Nuclear Data Sheets (50 (1987) 137). To improve the certainty, measurement was carried out using a 4pibeta-gamma coincidence apparatus with two-dimensional data-acquisition system. The measured emission probability of 94.7 keV gamma-ray was 3.80 +/- 0.05% that was larger than the evaluated value by about 5 % and the uncertainty was greatly improved. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：104 / 108

页数：5

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