B Leptonic Decays and B- bar B Mixing with 2+1 Flavors of Dynamical Quarks

A. Gray, C. Davies, E. Gulez, G. P. Lepage, J. Shigemitsu, M. Wingate

Research output: Contribution to journalArticlepeer-review

Abstract

Calculations of B leptonic decays and B- bar B mixing using NRQCD heavy and Asqtad light valence quarks on the MILC dynamical configurations are described. Smearing has been implemented to substantially reduce the statistical errors of the matrix elements needed for the determination of f_B. The four-fermion matrix elements needed for the determination of f_{B_s}^2B_{B_s} have been calculated and a preliminary result is given.
Original languageEnglish
Pages (from-to)446–448
JournalNuclear Physics B - Proceedings Supplements
Volume140
DOIs
Publication statusPublished - 10 Sep 2004

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