Form Factors and Decay Rates for Heavy $Λ$ Semileptonic Decays from QCD Sum Rules

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dc.creatorde Carvalho, R. S. Marques
dc.creatorNavarra, F. S.
dc.creatorNielsen, M.
dc.creatorFerreira, E.
dc.creatorDosch, H. G.
dc.date1999-03-11
dc.date.accessioned2026-07-07T10:53:04Z
dc.date.available2026-07-07T10:53:04Z
dc.descriptionQCD sum rules for the determination of form factors of $Λ_b$ and $Λ_c$ semileptonic decays are investigated. With a form for the baryonic current appropriate for the limits of the heavy quark symmetries, the different tensor structures occurring in the two- and three-point functions are separately studied, and in each case general relations are written for the form factors. Particular attention is given to the treatment of the kinematical region ascribed to the continuum. The $t$-dependence of the form factors and the decay rates are numerically evaluated and compared to experimental information.
dc.description45 pages, 14 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/9903326
dc.identifierhttp://arxiv.org/abs/hep-ph/9903326
dc.identifierPhys.Rev.D60:034009,1999
dc.identifierdoi:10.1103/PhysRevD.60.034009
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/185362
dc.subjectHigh Energy Physics - Phenomenology
dc.titleForm Factors and Decay Rates for Heavy $Λ$ Semileptonic Decays from QCD Sum Rules
dc.typetext

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