Heavy-meson semileptonic decays for the standard model and beyond

Yuzhi Liu, Ran Zhou, Jon A. Bailey, A. Bazavov, Fc Bernard, C. M. Bouchard, C. Detar, Daping Du, A. X. El-Khadra, J. Foley, E. D. Freeland, E. Gámiz, Steven Gottlieb, U. M. Heller, R. D. Jain, Jongjeong Kim, A. S. Kronfeld, J. Laiho, L. Levkova, P. B. MackenzieY. Meurice, D. Mohler, E. T. Neil, M. B. Oktay, Si Wei Qiu, J. N. Simone, R. Sugar, William D Toussaint, R. S. Van De Water

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Abstract

We calculate the form factors for the semileptonic decays Bs → Kℓv and B → Kℓℓ with lattice QCD. We work at several lattice spacings and a range of light quark masses, using the MILC 2+1-flavor asqtad ensembles. We use the Fermilab method for the b quark. We obtain chiralcontinuum extrapolations for EK up to ∼ 1:2 GeV and then extend to the entire kinematic range with the model-independent z expansion.

Original languageEnglish (US)
Article number386
JournalProceedings of Science
Volume29-July-2013
StatePublished - 2013

ASJC Scopus subject areas

  • General

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    Liu, Y., Zhou, R., Bailey, J. A., Bazavov, A., Bernard, F., Bouchard, C. M., Detar, C., Du, D., El-Khadra, A. X., Foley, J., Freeland, E. D., Gámiz, E., Gottlieb, S., Heller, U. M., Jain, R. D., Kim, J., Kronfeld, A. S., Laiho, J., Levkova, L., ... Van De Water, R. S. (2013). Heavy-meson semileptonic decays for the standard model and beyond. Proceedings of Science, 29-July-2013, [386].