Measurement of the branching fractions for τ- → π- KS π0 ντ and τ- → K-KS π0 ντ

被引：1
|
作者：
Ryu, S. [1 ]
机构：
[1] Seoul Natl Univ, Seoul 151, South Korea
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2012年 / 225卷
关键词：
tau; semihadronic decay; branching fraction;
D O I：
10.1016/j.nuclphysbps.2012.02.038
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We present a measurement of the branching fractions for tau(-) -> pi K--(S)pi(0)nu(tau) and tau(-) -> K-KS pi(0)nu(tau) decays using a data sample containing 616x10(6) tau(+)tau(-) pairs accumulated with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The branching fractions for tau(-) -> pi K--(S)pi(0)nu(tau) and tau(-) -> K-KS pi(0)nu(tau) are found to be (0.192 +/- 0.002 +/- 0.008)% and (0.074 +/- 0.001 +/- 0.004)%, respectively.
引用
收藏
页码：179 / 183
页数：5
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