Form factors for B to Kll semileptonic decay from three-flavor lattice QCD

Ran Zhou, Jon A. Bailey, Alexei Bazavov, Aida X. El-Khadra, Steven Gottlieb, Rajendra D. Jain, Andreas S. Kronfeld, Ruth S. Van de Water

Research output: Contribution to journalConference articlepeer-review


We study the B → Kl+l semileptonic decay process in three-flavor lattice QCD. We analyze several ensembles generated by the MILC collaboration at different lattice spacings and sea-quark masses. We use the asqtad improved staggered action for the light quarks and the clover action with the Fermilab interpretation for the heavy b quark. We present preliminary results for the vector current induced form factors for a range of kaon energies. Our analysis includes chiral and continuum extrapolations based on SU(2) staggered χPT .

Original languageEnglish
JournalProceedings of Science
Publication statusPublished - 2011
Event29th International Symposium on Lattice Field Theory, Lattice 2011 - Squaw Valley, Lake Tahoe, United States
Duration: 2011 Jul 102011 Jul 16

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All Science Journal Classification (ASJC) codes

  • General


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