RATIO OF DOUBLE BETA-DECAY RATES OF TE-128,TE-130

被引：20
|
作者：
LEE, JT [1 ]
MANUEL, OK [1 ]
THORPE, RI [1 ]
机构：
[1] GEOL SURVEY CANADA,OTTAWA K1A 0E8,ONTARIO,CANADA
来源：
NUCLEAR PHYSICS A | 1991年 / 529卷 / 01期
关键词：
XE-128; XE-130; MEASURED ISOTOPIC COMPOSITION CALCULATED 2-BETA-DECAY T1/2; SOURCE RELEASES FROM ALTAITE AND KRENNERITE;
D O I：
10.1016/0375-9474(91)90783-3
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We have measured the amounts of radiogenic Xe-128 and Xe-130 in two, old telluride minerals - krennerite (AuTe2) from Western Australia and altaite (PbTe) from Quebec. We calculated values of (4.2 +/- 0.8) x 10(-4) and (4.4 +/- 0.8) x 10(-4) for the ratio of the total beta-beta-decay half-lives, 130T1/2/128T1/2, from the amounts of radiogenic Xe-130 and Xe-128 in the krennerite and the altaite, respectively. These values are in good agreement with the ratio of half-lives calculated by the quasi-particle random phase approximation for 2-nu-beta-beta-decay.
引用
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页码：29 / 38
页数：10
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