Perturbative corrections to power suppressed effects in semileptonic B decays

被引：60
|
作者：
Alberti, Andrea [1 ,2 ]
Gambino, Paolo [1 ,2 ]
Nandi, Soumitra [3 ]
机构：
[1] Univ Turin, Dipartimento Fis, I-10125 Turin, Italy
[2] Ist Nazl Fis Nucl, I-10125 Turin, Italy
[3] Indian Inst Technol Guwahati, Dept Phys, Gauhati 781039, India
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2014年 / 01期
关键词：
Quark Masses and SM Parameters; B-Physics; Heavy Quark Physics; Standard Model; HADRON SPECTRA; QCD; (B)OVER-BAR; MOMENTS;
D O I：
10.1007/JHEP01(2014)147
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 coefficient of the chromomagnetic operator in inclusive semileptonic B decays. The results are employed to evaluate the complete alpha(s)A(QCD)(2)/m(B)(2) correction to the semileptonic width and to the first moments of the lepton energy distribution.
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页数：16
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