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Evidence for B- -> t(-)(v)over-bar(t) with a Hadronic Tagging Method Using the Full Data Sample of Belle
Belle Collaboration
2013
发表期刊PHYSICAL REVIEW LETTERS
卷号110期号:13
通讯作者Hara, K (reprint author), KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan.
摘要We measure the branching fraction of B- -> t(-)(v) over bar (t) using the full Y(4S) data sample containing 772 x 10(6) B (B) over bar pairs collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. Events with B (B) over bar pairs are tagged by reconstructing one of the B mesons decaying into hadronic final states, and B- -> t(-)(v) over bar (t) candidates are detected in the recoil. We find evidence for B- -> t(-)(v) over bar (t) with a significance of 3.0 standard deviations including systematic errors and measure a branching fraction B(B- -> t(-)(v) over bar (t)) = [0: 72(-0.25)(+0.27)(stat) +/- 0.11(syst)x10(-4). DOI: 10.1103/PhysRevLett.110.131801
关键词CP-VIOLATION
学科领域Physics
DOI10.1103/PhysRevLett.110.131801
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000316683500005
引用统计
被引频次:23[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/311005/213495
专题实验物理中心
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. Evidence for B- -> t(-)(v)over-bar(t) with a Hadronic Tagging Method Using the Full Data Sample of Belle[J]. PHYSICAL REVIEW LETTERS,2013,110(13).
APA Belle Collaboration.(2013).Evidence for B- -> t(-)(v)over-bar(t) with a Hadronic Tagging Method Using the Full Data Sample of Belle.PHYSICAL REVIEW LETTERS,110(13).
MLA Belle Collaboration."Evidence for B- -> t(-)(v)over-bar(t) with a Hadronic Tagging Method Using the Full Data Sample of Belle".PHYSICAL REVIEW LETTERS 110.13(2013).
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