Semileptonic D->pi/K and B->pi/D decays in 2+1 flavor lattice QCD

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dc.creatorOkamoto, M.
dc.creatorAubin, C.
dc.creatorBernard, C.
dc.creatorDeTar, C.
dc.creatorDi Pierro, M.
dc.creatorEl-Khadra, A. X.
dc.creatorGottlieb, Steven
dc.creatorGregory, E. B.
dc.creatorHeller, U. M.
dc.creatorHetrick, J.
dc.creatorKronfeld, A. S.
dc.creatorMackenzie, P. B.
dc.creatorMenscher, D. P.
dc.creatorNobes, M.
dc.creatorOktay, M. B.
dc.creatorOsborn, J.
dc.creatorSimone, J. N.
dc.creatorSugar, R.
dc.creatorToussaint, D.
dc.creatorTrottier, H. D.
dc.date2004-09-18
dc.date.accessioned2026-07-07T11:43:19Z
dc.date.available2026-07-07T11:43:19Z
dc.descriptionWe present results for form factors of semileptonic decays of $D$ and $B$ mesons in 2+1 flavor lattice QCD using the MILC gauge configurations. With an improved staggered action for light quarks, we successfully reduce the systematic error from the chiral extrapolation. The results for $D$ decays are in agreement with experimental ones. The results for B decays are preliminary. Combining our results with experimental branching ratios, we then obtain the CKM matrix elements $|V_{cd}|$, $|V_{cs}|$, $|V_{cb}|$ and $|V_{ub}|$. We also check CKM unitarity, for the first time, using only lattice QCD as the theoretical input.
dc.descriptionTalk presented at Lattice2004(heavy); 3 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/hep-lat/0409116
dc.identifierhttp://arxiv.org/abs/hep-lat/0409116
dc.identifierNucl.Phys.Proc.Suppl.140:461-463,2005
dc.identifierdoi:10.1016/j.nuclphysbps.2004.11.151
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201199
dc.subjectHigh Energy Physics - Lattice
dc.titleSemileptonic D->pi/K and B->pi/D decays in 2+1 flavor lattice QCD
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