Rare Charm Decays in the Standard Model and Beyond

dc.creatorBurdman, Gustavo
dc.creatorGolowich, Eugene
dc.creatorHewett, JoAnne
dc.creatorPakvasa, Sandip
dc.date2001-12-18
dc.date2002-03-01
dc.date.accessioned2026-07-07T10:32:58Z
dc.date.available2026-07-07T10:32:58Z
dc.descriptionWe perform a comprehensive study of a number of rare charm decays, incorporating the first evaluation of the QCD corrections to the short distance contributions, as well as examining the long range effects. For processes mediated by the $c\to u\ell^+\ell^-$ transitions, we show that sensitivity to short distance physics exists in kinematic regions away from the vector meson resonances that dominate the total rate. In particular, we find that $D\toπ\ell^+\ell^-$ and $D\toρ\ell^+\ell^-$ are sensitive to non-universal soft-breaking effects in the Minimal Supersymmetric Standard Model with R-parity conservation. We separately study the sensitivity of these modes to R-parity violating effects and derive new bounds on R-parity violating couplings. We also obtain predictions for these decays within extensions of the Standard Model, including extensions of the Higgs, gauge and fermion sectors, as well as models of dynamical electroweak symmetry breaking.
dc.description45 pages, typos fixed, discussions added
dc.identifierhttps://arxiv.org/abs/hep-ph/0112235
dc.identifierhttp://arxiv.org/abs/hep-ph/0112235
dc.identifierPhys.Rev.D66:014009,2002
dc.identifierdoi:10.1103/PhysRevD.66.014009
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/178944
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Experiment
dc.titleRare Charm Decays in the Standard Model and Beyond
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