Tau lepton distributions in semileptonic B decays

被引：20
|
作者：
Jezabek, M
Motyka, L
机构：
[1] SILESIAN UNIV,INST PHYS,PL-40007 KATOWICE,POLAND
[2] JAGIELLONIAN UNIV,INST PHYS,KRAKOW,POLAND
来源：
NUCLEAR PHYSICS B | 1997年 / 501卷 / 01期
关键词：
semileptonic B decays; perturbative QCD;
D O I：
10.1016/S0550-3213(97)00341-6
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：
Analytic formulae are given for order alpha(s) perturbative QCD corrections to the double differential distribution of the tau lepton energy and the invariant mass of the tau + antineutrino system in semileptonic decays of the bottom quark. The corresponding distribution for B meson decays are obtained by combining these results and the non-perturbative QCD corrections calculated by Falk et al. The moments of the energy distribution of the tau lepton are calculated. (C) 1997 Elsevier Science B.V.
引用
收藏
页码：207 / 223
页数：17
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