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

页码：6851 / 6856

页数：6

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