2-loop QCD corrections to Bc-meson leptonic constant

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dc.creatorOnishchenko, Andrei I.
dc.creatorVeretin, Oleg L.
dc.date2003-02-17
dc.date2007-01-22
dc.date.accessioned2026-07-07T10:28:44Z
dc.date.available2026-07-07T10:28:44Z
dc.descriptionWe present results for two-loop QCD corrections to the short distance coefficient that governs leptonic decay of Bc-meson. After brief discussion of the technics of asymptotic threshold expansion used to perform this calculation, we give comments on the numerical value of two-loop corrections and its impact on NRQCD description of Bc-meson bound state dynamics.
dc.description12 pages, 1 figure, v2: typos in appendix corrected; v3: Mathematica ant text files with results attached
dc.identifierhttps://arxiv.org/abs/hep-ph/0302132
dc.identifierhttp://arxiv.org/abs/hep-ph/0302132
dc.identifierEur.Phys.J.C50:801-808,2007
dc.identifierdoi:10.1140/epjc/s10052-007-0255-1
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/177555
dc.subjectHigh Energy Physics - Phenomenology
dc.title2-loop QCD corrections to Bc-meson leptonic constant
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