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ULTRA-HIGH SENSITIVE STUDY OF THE IDENTITY OF BETA-RAYS WITH ATOMIC ELECTRONS
Tang XW(唐孝威); Wu YG(吴义根); Zhang S(张澍); TANG, XW; WU, YG; ZHANG, S; CHEN, QW; XIE, XQ
1990
发表期刊PHYSICS LETTERS B
卷号252期号:2页码:#REF!
通讯作者TANG, XW (reprint author), INST HIGH ENERGY PHYS,BEIJING 100039,PEOPLES R CHINA.
摘要Goldhaber and Scharff-Goldhaber have carried out an experiment studying the nature of beta-rays emitted by the radioactive nucleus which was based on the Pauli exclusion principle. Davies and Grace have repeated that experiment and reported that less than one captured X-ray was observed for 4 X 10(5) beta-rays. But the sensitivities of these experiments were low. The development of experimental techniques including a strong beta-ray source and a high resolution X-ray detector enables us to perform an ultra-high sensitive experiment to test the identity of beta-rays with atomic electrons. Here we report our experimental result which shows that less than 1.4 X 10(-13) (95% confidence level) of the tritium beta-rays stopped in the erbium target are captured into the K shell of these atoms. This limit is about seven orders of magnitude lower than the previous experiment.
文章类型Article
学科领域Physics
DOI10.1016/0370-2693(90)90876-8
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:A1990EP55400019
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/227513
专题院士
粒子天体物理中心
推荐引用方式
GB/T 7714
Tang XW,Wu YG,Zhang S,et al. ULTRA-HIGH SENSITIVE STUDY OF THE IDENTITY OF BETA-RAYS WITH ATOMIC ELECTRONS[J]. PHYSICS LETTERS B,1990,252(2):#REF!.
APA 唐孝威.,吴义根.,张澍.,TANG, XW.,WU, YG.,...&XIE, XQ.(1990).ULTRA-HIGH SENSITIVE STUDY OF THE IDENTITY OF BETA-RAYS WITH ATOMIC ELECTRONS.PHYSICS LETTERS B,252(2),#REF!.
MLA 唐孝威,et al."ULTRA-HIGH SENSITIVE STUDY OF THE IDENTITY OF BETA-RAYS WITH ATOMIC ELECTRONS".PHYSICS LETTERS B 252.2(1990):#REF!.
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