Power suppressed effects in (B)over-bar → Xsγ at O(αs)

被引：25

作者：

Ewerth, Thorsten

Gambino, Paolo ^{[1
]}

Nandi, Soumitra

机构：

[1] Univ Turin, Dipartimento Fis Teor, I-10125 Turin, Italy

来源：

NUCLEAR PHYSICS B | 2010年 / 830卷 / 1-2期

关键词：

B physics; Radiative B decays; Power suppressed effects; Operator product expansion; Perturbative corrections; Moments; PHOTON ENERGY-SPECTRUM; EFFECTIVE FIELD-THEORY; HEAVY QUARKS; DECAYS; QCD; DISTRIBUTIONS; MOMENTS;

D O I：

10.1016/j.nuclphysb.2009.12.035

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 compute the O(alpha(s)) corrections to the Wilson coefficients of the dimension five operators emerging from the Operator Product Expansion of inclusive radiative B decays. We discuss the impact of he resulting O(alpha(s)Lambda(2)(QCD)/m(b)(2)) corrections on the extraction of m(b) and mu(2)(pi) from the moments of the photon spectrum. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：278 / 290

页数：13

共 43 条

[1] THE BACKGROUND FIELD METHOD AND THE S-MATRIX [J].