Exclusive branching-fraction measurements of semileptonic tau decays into three charged hadrons, into phi pi(-)nu(tau), and into phi K(-)nu(tau)
BABAR Collaboration
刊名PHYSICAL REVIEW LETTERS
2008
卷号100期号:1页码:11801
学科分类Physics
DOI10.1103/PhysRevLett.100.011801
通讯作者Aubert, B (reprint author), IN2P3 CNRS, Phys Particules Lab, F-74941 Annecy Le Vieux, France.
文章类型Article
英文摘要Using a data sample corresponding to an integrated luminosity of 342 fb(-1) collected with the BABAR detector at the SLAC PEP-II electron-positron storage ring operating at a center-of-mass energy near 10.58 GeV, we measure B(tau(-)->pi(-)pi(-)pi(+)nu(tau)(ex.K(S)(0)))=(8.83 +/- 0.01 +/- 0.13)%, B(tau(-)-> K(-)pi(-)pi(+)nu(tau)(ex.K(S)(0)))=(0.273 +/- 0.002 +/- 0.009)%, B(tau(-)-> K(-)pi(-)K(+)nu(tau))=(0.1346 +/- 0.0010 +/- 0.0036)%, and B(tau(-)-> K(-)K(-)K(+)nu(tau))=(1.58 +/- 0.13 +/- 0.12)x10(-5), where the uncertainties are statistical and systematic, respectively. These include significant improvements over previous measurements and a first measurement of B(tau(-)-> K(-)K(-)K(+)nu(tau)) in which no resonance structure is assumed. We also report a first measurement of B(tau(-)->phi pi(-)nu(tau))=(3.42 +/- 0.55 +/- 0.25)x10(-5), a new measurement of B(tau(-)->phi K(-)nu(tau))=(3.39 +/- 0.20 +/- 0.28)x10(-5) and a first upper limit on B(tau(-)-> K(-)K(-)K(+)nu(tau)(ex.phi)).
类目[WOS]Physics, Multidisciplinary
收录类别SCI
WOS记录号WOS:000252285500009
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被引频次:53[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/311005/227874
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. Exclusive branching-fraction measurements of semileptonic tau decays into three charged hadrons, into phi pi(-)nu(tau), and into phi K(-)nu(tau)[J]. PHYSICAL REVIEW LETTERS,2008,100(1):11801.
APA BABAR Collaboration.(2008).Exclusive branching-fraction measurements of semileptonic tau decays into three charged hadrons, into phi pi(-)nu(tau), and into phi K(-)nu(tau).PHYSICAL REVIEW LETTERS,100(1),11801.
MLA BABAR Collaboration."Exclusive branching-fraction measurements of semileptonic tau decays into three charged hadrons, into phi pi(-)nu(tau), and into phi K(-)nu(tau)".PHYSICAL REVIEW LETTERS 100.1(2008):11801.
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