Weak Decays Beyond Leading Logarithms

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dc.creatorBuchalla, Gerhard
dc.creatorBuras, Andrzej J.
dc.creatorLautenbacher, Markus E.
dc.date1995-12-15
dc.date.accessioned2026-07-07T11:35:13Z
dc.date.available2026-07-07T11:35:13Z
dc.descriptionWe review the present status of QCD corrections to weak decays beyond the leading logarithmic approximation including particle-antiparticle mixing and rare and CP violating decays. After presenting the basic formalism for these calculations we discuss in detail the effective hamiltonians for all decays for which the next-to-leading corrections are known. Subsequently, we present the phenomenological implications of these calculations. In particular we update the values of various parameters and we incorporate new information on m_t in view of the recent top quark discovery. One of the central issues in our review are the theoretical uncertainties related to renormalization scale ambiguities which are substantially reduced by including next-to-leading order corrections. The impact of this theoretical improvement on the determination of the Cabibbo-Kobayashi-Maskawa matrix is then illustrated in various cases.
dc.description229 pages, 32 PostScript figures (included); uses RevTeX, epsf.sty, rotate.sty, rmpbib.sty (included), times.sty (included; requires LaTeX 2e); complete PostScript version available at ftp://feynman.t30.physik.tu-muenchen.de/pub/preprints/tum-100-95.ps.gz or ftp://feynman.t30.physik.tu-muenchen.de/pub/preprints/tum-100-95.ps2.gz (scaled down and rotated version to print two pages on one sheet of paper)
dc.identifierhttps://arxiv.org/abs/hep-ph/9512380
dc.identifierhttp://arxiv.org/abs/hep-ph/9512380
dc.identifierRev.Mod.Phys.68:1125-1144,1996
dc.identifierdoi:10.1103/RevModPhys.68.1125
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/198516
dc.subjectHigh Energy Physics - Phenomenology
dc.titleWeak Decays Beyond Leading Logarithms
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