منابع مشابه
QCD corrections to b → c transitions at zero recoil
Complete two-loop QCD corrections to b → c transitions are presented in the limit of zero recoil. Vector and axial-vector coefficients ηA,V are calculated analytically in the limit of equal beauty and charm masses, and a series appoximation is obtained for the general mass case. ηA is crucial for the determination of the absolute value of the Cabibbo-Kobayashi-Maskawa matrix element Vcb. The tw...
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ژورنال
عنوان ژورنال: Journal of the American College of Cardiology
سال: 2014
ISSN: 0735-1097
DOI: 10.1016/j.jacc.2014.02.415