QCD Corrections in Gamma_sl(B)

Details QCD Corrections in Gamma_sl(B) QCD Corrections in Gamma_sl(B)

2002-10-30

arxiv.org/abs/hep-ph/0210413v3

Mod.Phys.Lett. A17 (2002) 2317-2326

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, LaTeX, one figure. Revised: A typo in Eq.(A.8) corrected

Scientific paper

10.1142/S0217732302009040

Short-distance expansion of the total semileptonic B widths is reviewed for the OPE-conformable scheme employing low-scale running quark masses. The third- and fourth-order BLM corrections are given and the complete resummation of the BLM series presented. The effect of higher perturbative orders with running quark masses is found very small. Numerical consequences for |V_{cb}| are addressed.

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