Semileptonic Decays of Heavy Mesons with the Fat Clover Action

C. Bernard (Washington U.); C. DeTar (U. Utah); C. McNeile (U. Liverpool); D. Toussaint (U. Arizona); Florida State U.); J. Hetrick (U. Pacific); K. Orginos (U. Arizona); R.L. Sugar (U. California; Santa Barbara); S. Gottlieb (Indiana U.)

arxiv: hep-lat/9909076 · v1 · submitted 1999-09-09 · ✦ hep-lat

Semileptonic Decays of Heavy Mesons with the Fat Clover Action

C. Bernard (Washington U.) , T. DeGrand (U. Colorado) , C. DeTar (U. Utah) , S. Gottlieb (Indiana U.) , U.M. Heller (SCRI , Florida State U.) , J. Hetrick (U. Pacific) , C. McNeile (U. Liverpool)

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K. Orginos (U. Arizona) R.L. Sugar (U. California Santa Barbara) D. Toussaint (U. Arizona)

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classification ✦ hep-lat

keywords actionquarkscloverdecaysmesonssemileptonicapproachconfigurations

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We are studying a variety of semileptonic decays of heavy-light mesons in an effort to improve the determination of the heavy-quark Standard-Model CKM matrix elements. Our fermion action is a novel, improved ``fat'' clover action that promises to reduce problems with exceptional configurations. Dynamical sea quarks are included in a mixed approach, i.e. we use staggered sea quarks and fat-clover valence quarks. Here we report preliminary results.

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Semileptonic Decays of Heavy Mesons with the Fat Clover Action

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