Study of the charmed baryonic decays (B)over-bar(0)->Sigma(++)(c) (p)over-bar pi(-) and (B)over-bar ->Sigma(0)(c)(p)over-bar pi(+)
Belle Collaboration
刊名PHYSICAL REVIEW D
2007
卷号75期号:1
关键词EXCLUSIVE DECAYS CP-VIOLATION B-MESONS SEARCH
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.75.011101
通讯作者Park, KS (reprint author), Sungkyunkwan Univ, Suwon, South Korea.
英文摘要We study the three-body charmed baryonic decays B-0 ->Sigma(++)(c)p pi(-) and B-0 ->Sigma(0)(c)p pi(+) in the four-body final state B-0 ->Lambda(+)(c)p pi(+)pi(-), using a data sample of 357 fb(-1) accumulated at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We measure the branching fractions B(B-0 ->Sigma(c)(2455)(++)p pi(-))=(2.1 +/- 0.2 +/- 0.3 +/- 0.5)x10(-4), B(B-0 ->Sigma(c)(2455)(0)p pi(+))=(1.4 +/- 0.2 +/- 0.2 +/- 0.4)x10(-4) and B(B-0 ->Sigma(c)(2520)(++)p pi(-))=(1.2 +/- 0.1 +/- 0.2 +/- 0.3)x10(-4) with signal significances of 13.1 sigma, 9.4 sigma and 7.1 sigma, respectively. The errors are statistical, systematic, and due to the uncertainty in B(Lambda(+)(c)-> pK(-)pi(+)), respectively. We also set an upper limit B(B-0 ->Sigma(c)(2520)(0)p pi(+))< 0.38x10(-4) at the 90% confidence level. In addition, we obtain a nonresonant branching fraction of (6.4 +/- 0.4 +/- 0.9 +/- 1.7)x10(-4), and a total branching fraction of (11.2 +/- 0.5 +/- 1.4 +/- 2.9)x10(-4) for B-0 ->Lambda(+)(c)p pi(+)pi(-).
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000243896200001
引用统计
被引频次:12[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/311005/212777
专题中国科学院高能物理研究所_实验物理中心_期刊论文
作者单位中国科学院高能物理研究所
推荐引用方式
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Belle Collaboration. Study of the charmed baryonic decays (B)over-bar(0)->Sigma(++)(c) (p)over-bar pi(-) and (B)over-bar ->Sigma(0)(c)(p)over-bar pi(+)[J]. PHYSICAL REVIEW D,2007,75(1).
APA Belle Collaboration.(2007).Study of the charmed baryonic decays (B)over-bar(0)->Sigma(++)(c) (p)over-bar pi(-) and (B)over-bar ->Sigma(0)(c)(p)over-bar pi(+).PHYSICAL REVIEW D,75(1).
MLA Belle Collaboration."Study of the charmed baryonic decays (B)over-bar(0)->Sigma(++)(c) (p)over-bar pi(-) and (B)over-bar ->Sigma(0)(c)(p)over-bar pi(+)".PHYSICAL REVIEW D 75.1(2007).
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