Heavy-light decay constants with three dynamical flavors

C. Bernard, T. Burch, S. Datta, T. DeGrand, C. DeTar, Steven Gottlieb, Urs M. Heller, K. Orginos, R. Sugar, D. Toussaint

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

We present preliminary results for the heavy-light leptonic decay constants in the presence of three light dynamical flavors. We generate dynamical configurations with improved staggered and gauge actions and analyze them for heavy-light physics with tadpole improved clover valence quarks. When the scale is set by mρ we find an increase of ≈ 23% in fB with three dynamical flavors over the quenched case. Discretization errors appear to be small (≲3%) in the quenched case but have not yet been measured in the dynamical case.

Original languageEnglish (US)
Pages (from-to)412-414
Number of pages3
JournalNuclear Physics B - Proceedings Supplements
Volume106-107
DOIs
StatePublished - Mar 2002

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics

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