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Measurements of the decays B-0 -> (D)over-bar(0) p(p)over-bar, B0 -> (D)over-bar*(0) p(p)over-bar, B-0 -> D- p(p)over-bar pi(+), and B-0 -> D*(-) p(p)over-bar pi(+)
BABAR Collaboration
2006
发表期刊PHYSICAL REVIEW D
卷号74期号:5页码:051101(R)
通讯作者Aubert, B (reprint author), Lab Annecy Le Vieux Phys Particules, F-74941 Annecy Le Vieux, France.
摘要We present measurements of branching fractions of B-0 decays to multibody final states containing protons, based on 232x10(6) Upsilon(4S)-> B (B) over bar decays collected with the BABAR detector at the SLAC PEP-II asymmetric-energy B factory. We measure the branching fractions B(B-0 ->(D) over bar (0)p (p) over bar)=(1.13 +/- 0.06 +/- 0.08)x10(-4), B(B-0 ->(D) over bar (*0)p (p) over bar)=(1.01 +/- 0.10 +/- 0.09)x10(-4), B(B-0 -> D(-)p (p) over bar pi(+))=(3.38 +/- 0.14 +/- 0.29)x10(-4), and B(B-0 -> D(*-)p (p) over bar pi(+))=(4.81 +/- 0.22 +/- 0.44)x10(-4) where the first error is statistical and the second systematic. We present a search for the charmed pentaquark state, Theta(c)(3100) observed by H1 and put limits on the branching fraction B(B-0 ->Theta(c)(p) over bar pi(+))xB(Theta(c)-> D(*-)p)< 14x10(-6) and B(B-0 ->Theta(c)(p) over bar pi(+))xB(Theta(c)-> D(-)p)< 9x10(-6). Upon investigation of the decay structure of the above four B-0 decay modes, we see an enhancement at low p (p) over bar mass and deviations from phase-space in the (D) over bar(p) over bar and (D) over bar invariant mass spectra.
文章类型Article
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.74.051101
收录类别SCI
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000240873900001
引用统计
被引频次:21[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/311005/227983
专题实验物理中心
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GB/T 7714
BABAR Collaboration. Measurements of the decays B-0 -> (D)over-bar(0) p(p)over-bar, B0 -> (D)over-bar*(0) p(p)over-bar, B-0 -> D- p(p)over-bar pi(+), and B-0 -> D*(-) p(p)over-bar pi(+)[J]. PHYSICAL REVIEW D,2006,74(5):051101(R).
APA BABAR Collaboration.(2006).Measurements of the decays B-0 -> (D)over-bar(0) p(p)over-bar, B0 -> (D)over-bar*(0) p(p)over-bar, B-0 -> D- p(p)over-bar pi(+), and B-0 -> D*(-) p(p)over-bar pi(+).PHYSICAL REVIEW D,74(5),051101(R).
MLA BABAR Collaboration."Measurements of the decays B-0 -> (D)over-bar(0) p(p)over-bar, B0 -> (D)over-bar*(0) p(p)over-bar, B-0 -> D- p(p)over-bar pi(+), and B-0 -> D*(-) p(p)over-bar pi(+)".PHYSICAL REVIEW D 74.5(2006):051101(R).
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