Determination of vertical bar V-ub vertical bar from measurements of the electron and neutrino momenta in inclusive semileptonic B decays
BABAR Collaboration
刊名PHYSICAL REVIEW LETTERS
2005
卷号95期号:11页码:111801
学科分类Physics
DOI10.1103/PhysRevLett.95.111801
通讯作者Aubert, B (reprint author), Phys Particules Lab, F-74941 Annecy Le Vieux, France.
文章类型Article
英文摘要We present a determination of the Cabibbo-Kobayashi-Maskawa matrix element parallel to V(ub)parallel to based on the analysis of semileptonic B decays from a sample of 88x10(6) Upsilon(4S) decays collected with the BABAR detector at the SLAC PEP-II e(+)e(-) storage ring. Charmless semileptonic B decays are selected using measurements of the electron energy and the invariant mass squared of the electron-neutrino pair. We obtain parallel to V(ub)parallel to=(3.95 +/- 0.26(-0.42)(+0.58)+/- 0.25)x10(-3), where the errors represent experimental uncertainties, heavy quark parameter uncertainties, and theoretical uncertainties, respectively.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
WOS记录号WOS:000231802000020
引用统计
被引频次:61[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/311005/227959
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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BABAR Collaboration. Determination of vertical bar V-ub vertical bar from measurements of the electron and neutrino momenta in inclusive semileptonic B decays[J]. PHYSICAL REVIEW LETTERS,2005,95(11):111801.
APA BABAR Collaboration.(2005).Determination of vertical bar V-ub vertical bar from measurements of the electron and neutrino momenta in inclusive semileptonic B decays.PHYSICAL REVIEW LETTERS,95(11),111801.
MLA BABAR Collaboration."Determination of vertical bar V-ub vertical bar from measurements of the electron and neutrino momenta in inclusive semileptonic B decays".PHYSICAL REVIEW LETTERS 95.11(2005):111801.
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