Analysis of the hadronic invariant mass spectrum in inclusive charmless semileptonic B decays

被引：5
|
作者：
Jin, CH [1 ]
机构：
[1] Univ Dortmund, Inst Phys, D-44221 Dortmund, Germany
来源：
PHYSICAL REVIEW D | 1998年 / 57卷 / 11期
关键词：
D O I：
10.1103/PhysRevD.57.6851
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We analyze the hadronic invariant mass spectrum in inclusive charmless semileptonic B meson decays in a QCD-based approach. The decay width is studied as a function of the invariant mass cut. We examine their sensitivities to the parameters of the theory. The theoretical uncertainties in the determination of \ V-ub \ from the hadronic invariant mass spectrum are investigated. A strategy for improving the theoretical accuracy in the value of \ V-ub \ is described.
引用
收藏
页码：6851 / 6856
页数：6
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