Model-independent extraction of |Vcb| from (B)over-bar → D* l(v)over-bar

被引：71

作者：

Grinstein, Benjamin ^{[1
]}

Kobach, Andrew ^{[1
]}

机构：

[1] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA

来源：

PHYSICS LETTERS B | 2017年 / 771卷

关键词：

DISPERSIVE BOUNDS;

D O I：

10.1016/j.physletb.2017.05.078

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We fit the unfolded data of (B) over bar (0) -> D*(+) l (v) over bar from the Belle experiment, where l e, mu, using a method independent of heavy quark symmetry to extrapolate to zero- recoil and extract the value of vertical bar V-cb vertical bar. This results in vertical bar V-cb vertical bar = (41.9(-1.9)(+2.0)) x 10(-3), which is robust to changes in the theoretical inputs and very consistent with the value extracted from inclusive semileptonic B decays. (C) 2017 The Author(s). Published by Elsevier B.V.

引用

页码：359 / 364

页数：6

共 50 条

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