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Production and decay of Xi(0)(c) at BABAR
BaBar Collaboration
2005
发表期刊PHYSICAL REVIEW LETTERS
卷号95期号:14
通讯作者Aubert, B (reprint author), Phys Particules Lab, F-74941 Annecy Le Vieux, France.
摘要Using 116.1 fb(-1) of data collected by the BABAR detector, we present an analysis of Xi(c)(0) production in B decays and from the c (c) over bar continuum, with the Xi(c)(0) decaying into Omega(-)K(+) and Xi(-)pi(+) final states. We measure the ratio of branching fractions B(Xi(c)(0)->Omega(-)K(+))/B(Xi(c)(0)->Xi(-)pi(+)) to be 0.294 +/- 0.018 +/- 0.016, where the first uncertainty is statistical and the second is systematic. The Xi(c)(0) momentum spectrum is measured on and 40 MeV below the Upsilon(4S) resonance. From these spectra the branching fraction product B(B ->Xi(c)(0)X)xB(Xi(c)(0)->Xi(-)pi(+)) is measured to be (2.11 +/- 0.19 +/- 0.25)x10(-4), and the cross-section product sigma(e(+)e(-)->Xi(c)(0)X)xB(Xi(c)(0)->Xi(-)pi(+)) from the continuum is measured to be (388 +/- 39 +/- 41) fb at a center-of-mass energy of 10.58 GeV.
关键词BARYON-ANTIBARYON PAIRS EXCLUSIVE DECAYS PHYSICS
学科领域Physics
DOI10.1103/PhysRevLett.95.142003
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000232229800017
引用统计
被引频次:11[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/311005/212594
专题实验物理中心
作者单位中国科学院高能物理研究所
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GB/T 7714
BaBar Collaboration. Production and decay of Xi(0)(c) at BABAR[J]. PHYSICAL REVIEW LETTERS,2005,95(14).
APA BaBar Collaboration.(2005).Production and decay of Xi(0)(c) at BABAR.PHYSICAL REVIEW LETTERS,95(14).
MLA BaBar Collaboration."Production and decay of Xi(0)(c) at BABAR".PHYSICAL REVIEW LETTERS 95.14(2005).
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