THE DOUBLE BETA-DECAY SPECTRUM OF MO-100 AS MEASURED WITH A TPC

被引：62
|
作者：
ELLIOTT, SR [1 ]
MOE, MK [1 ]
NELSON, MA [1 ]
VIENT, MA [1 ]
机构：
[1] UNIV CALIF IRVINE,DEPT PHYS,IRVINE,CA 92717
来源：
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 1991年 / 17卷
关键词：
D O I：
10.1088/0954-3899/17/S/015
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：
A time projection chamber with 8.3 grams of enriched (100MoO3)-Mo-100 as the central electrode has been operating approximately five months in an underground laboratory. A preliminary analysis of the two-electron sum energy spectrum, the spectrum of those same electrons taken singly, and the opening angle distribution yields a half life of 1.16(-0.08)+0.34 x 10(19) y at the 68% confidence level for two-neutrino double beta decay of Mo-100.
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页码：S145 / S153
页数：9
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