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Measurement of the branching fractions and the invariant mass distributions for tau(-) -> h(-)h(+)h(-)nu(tau) decays
Belle Collaboration
2010
发表期刊PHYSICAL REVIEW D
卷号81期号:11
通讯作者Lee, MJ (reprint author), Seoul Natl Univ, Seoul, South Korea.
摘要We present a study of tau(-)->pi(-)pi(+)pi(-)nu(tau), tau(-) -> K-pi(+)pi(-)nu(tau), tau(-) -> K-K+ pi(-)nu(tau), and tau(-) -> K-K+K-nu(tau) decays using a 666 fb(-1) data sample collected with the Belle detector at the KEKB asymmetric- energy e(+)e(-) collider at and near a center- of- mass energy of 10.58 GeV. The branching fractions are measured to be B(tau(-)->pi(-)pi(+)pi(-)nu(tau)) = (8.42 +/- 0.00(-0.25)(+0.26)) x 10(-2), B(tau(-)-> K-pi(+)pi(-)nu(tau)) = 3.30 +/- 0.01(-0.17)(+0.16)) x 10(-3), B(tau(-)-> K-K+pi(-)nu(tau)) = (1.55 +/- 0.01(-0.05)(+0.06)) x 10(-3), and B(tau(-)-> K-K+K-nu(tau)), = (3.29 +/- 0.17(-0.20)(+0.19)) x 10(-5), where the first uncertainty is statistical and the second is systematic. These branching fractions do not include contributions from modes in which a pi(+)pi(-) pair originates from a K-S(0) decay. We also present the unfolded invariant mass distributions for these decays.
关键词CURRENT-ALGEBRA MONTE-CARLO BELLE KAONS IDENTIFICATION KEKB
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.81.113007
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000279028000001
引用统计
被引频次:20[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/311005/212952
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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Belle Collaboration. Measurement of the branching fractions and the invariant mass distributions for tau(-) -> h(-)h(+)h(-)nu(tau) decays[J]. PHYSICAL REVIEW D,2010,81(11).
APA Belle Collaboration.(2010).Measurement of the branching fractions and the invariant mass distributions for tau(-) -> h(-)h(+)h(-)nu(tau) decays.PHYSICAL REVIEW D,81(11).
MLA Belle Collaboration."Measurement of the branching fractions and the invariant mass distributions for tau(-) -> h(-)h(+)h(-)nu(tau) decays".PHYSICAL REVIEW D 81.11(2010).
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