Two-loop QCD corrections to semileptonic b-quark decays near maximum recoil

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dc.creatorPak, A.
dc.creatorBlokland, I.
dc.creatorCzarnecki, A.
dc.date2006-04-26
dc.date.accessioned2026-07-07T11:26:56Z
dc.date.available2026-07-07T11:26:56Z
dc.descriptionTwo-gluon radiative corrections to the $b\to c\ellν$ decay width have been computed analytically as an expansion in terms of \frac{m_c}{m_b} << 1 in the kinematical limit of zero lepton invariant mass. The obtained results match smoothly with a previously known expansion around (1 - \frac{m_c}{m_b} << 1. Together they describe the process $b\to c\ellν$ for all mass ratios \frac{m_c}{m_b}.
dc.description9 pages, 4 figures, submitted to Phys. Rev. D
dc.identifierhttps://arxiv.org/abs/hep-ph/0604233
dc.identifierhttp://arxiv.org/abs/hep-ph/0604233
dc.identifierPhys.Rev.D73:114009,2006
dc.identifierdoi:10.1103/PhysRevD.73.114009
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/195991
dc.subjectHigh Energy Physics - Phenomenology
dc.titleTwo-loop QCD corrections to semileptonic b-quark decays near maximum recoil
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