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Measurement of the Spin of the Omega(-) Hyperon
BABAR Collaboration
2006
发表期刊PHYSICAL REVIEW LETTERS
卷号97期号:11页码:112001
通讯作者Aubert, B (reprint author), Phys Particules Lab, F-74941 Annecy Le Vieux, France.
文章类型Article
摘要A measurement of the spin of the Omega(-) hyperon produced through the exclusive process Xi(0)(c)->Omega K--(+) is presented using a total integrated luminosity of 116 fb(-1) recorded with the BABAR detector at the e(+)e(-) asymmetric-energy B factory at SLAC. Under the assumption that the Xi(0)(c) has spin 1/2, the angular distribution of the Lambda from Omega(-)->Lambda K- decay is inconsistent with all half-integer Omega(-) spin values other than 3/2. Lower statistics data for the process Omega(0)(c)->Omega(-)pi(+) from a 230 fb(-1) sample are also found to be consistent with Omega(-) spin 3/2. If the Xi(0)(c) spin were 3/2, an Omega(-) spin of 5/2 could not be excluded.
学科领域Physics
DOI10.1103/PhysRevLett.97.112001
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000240545600015
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/227960
专题实验物理中心
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BABAR Collaboration. Measurement of the Spin of the Omega(-) Hyperon[J]. PHYSICAL REVIEW LETTERS,2006,97(11):112001.
APA BABAR Collaboration.(2006).Measurement of the Spin of the Omega(-) Hyperon.PHYSICAL REVIEW LETTERS,97(11),112001.
MLA BABAR Collaboration."Measurement of the Spin of the Omega(-) Hyperon".PHYSICAL REVIEW LETTERS 97.11(2006):112001.
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