Study of the baryon-antibaryon low-mass enhancements in charmless three-body baryonic B decays
Belle Collaboration
刊名PHYSICS LETTERS B
2005
卷号617期号:3-4页码:#REF!
学科分类Physics
DOI10.1016/j.physletb.2005.05.008
通讯作者Wang, MZ (reprint author), Budker Inst Nucl Phys, Novosibirsk 630090, Russia.
文章类型Article
英文摘要The angular distributions of the baryon-antibaryon low-mass enhancements seen in the charmless three-body baryonic B decays B+ -> ppK(+), B-0 -> ppK(S)(0) and B-0 -> p Lambda pi(-) are reported. A quark fragmentation interpretation is supported, while the gluonic resonance picture is disfavored. Searches for the Theta(+) and Theta(++) pentaquarks in the relevant decay modes and possible glueball states G with 2.2 GeV/c(2) < M-pp < 2.4 GeV/c(2) in the pp systems give null results. We set upper limits on the products of branching fractions, B(B-0 -> Theta(+)p)B(Theta(+) -> pK(S)(0)) < 2.3 x 10(-7), B(B+ -> Theta(++)p)B(Theta(++) -> pK(+)) < 9.1 x 10(-8), and B(B+ -> GK(+))B(G -> pp) < 4.1 X 10(-7) at the 90% confidence level. The analysis is based on a 140 fb(-1) data sample recorded on the Y(4S) resonance with the Belle detector at the KEKB asymmetric energy e(+)e(-) collider. (c) 2005 Elsevier B.V. All rights reserved.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
WOS记录号WOS:000230042100001
引用统计
被引频次:53[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/311005/226474
专题中国科学院高能物理研究所_实验物理中心_期刊论文
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Belle Collaboration. Study of the baryon-antibaryon low-mass enhancements in charmless three-body baryonic B decays[J]. PHYSICS LETTERS B,2005,617(3-4):#REF!.
APA Belle Collaboration.(2005).Study of the baryon-antibaryon low-mass enhancements in charmless three-body baryonic B decays.PHYSICS LETTERS B,617(3-4),#REF!.
MLA Belle Collaboration."Study of the baryon-antibaryon low-mass enhancements in charmless three-body baryonic B decays".PHYSICS LETTERS B 617.3-4(2005):#REF!.
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