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Observation of Cabibbo-suppressed and W-exchange Lambda(+)(c) baryon decays
Belle Collaboration
2002
发表期刊PHYSICS LETTERS B
卷号524期号:1-2页码:#REF!
通讯作者Abe, K (reprint author), KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki, Japan.
文章类型Article
摘要We present measurements of the Cabibbo-suppressed decays Lambda(c)(+) --> Lambda(0)K(+) and Lambda(c)(+) --> Sigma(0)K(+) (both first observations), Lambda(c)(+) --> Sigma(+)K(+)pi(-) (seen with large statistics for the first time), Lambda(c)(+) --> pK(+)K(-) and Lambda(c)(+) --> pphi (measured with improved accuracy). Improved branching ratio measurements for the decays Lambda(c)(+) --> Sigma(+)K(+)K(-) and Lambda(c)(+) --> Sigma(+)phi, which are attributed to NV-exchange diagrarns, are shown. We also present the first evidence for Lambda(c)(+) --> Xi(1690)(0)K(+) and set an upper limit on the non-resonant decay Lambda(c)(+) --> Sigma(+)K(+)K(-). This analysis was performed using 32.6 fb(-1) of data collected by the Belle detector at the asymmetric e(+)e(-) collider KEKB, (C) 2002 Elsevier Science B.V. All rights reserved.
关键词charmed baryon Cabibbo-suppressed W-exchange
学科领域Physics
DOI10.1016/S0370-2693(01)01373-9
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000173066000006
引用统计
被引频次:24[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225638
专题实验物理中心
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Belle Collaboration. Observation of Cabibbo-suppressed and W-exchange Lambda(+)(c) baryon decays[J]. PHYSICS LETTERS B,2002,524(1-2):#REF!.
APA Belle Collaboration.(2002).Observation of Cabibbo-suppressed and W-exchange Lambda(+)(c) baryon decays.PHYSICS LETTERS B,524(1-2),#REF!.
MLA Belle Collaboration."Observation of Cabibbo-suppressed and W-exchange Lambda(+)(c) baryon decays".PHYSICS LETTERS B 524.1-2(2002):#REF!.
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