Semileptonic B to D decays at nonzero recoil with 2+1 flavors of improved staggered quarks: An update

Si Wei Qiu; Carleton DeTar; Daping Du; Andreas S. Kronfeld; John W Laiho; Ruth S. Van De Water

Semileptonic B to D decays at nonzero recoil with 2+1 flavors of improved staggered quarks: An update

Si Wei Qiu, Carleton DeTar, Daping Du, Andreas S. Kronfeld, John W Laiho, Ruth S. Van De Water

Research output: Contribution to journal › Article › peer-review

Abstract

The Fermilab Lattice and MILC collaborations are completing a comprehensive program of heavy-light physics on MILC (2+1)-flavor asqtad ensembles with lattice spacings as small as 0.045 fm and light-to-strange-quark mass ratios as low as 1/20. We use the Fermilab interpretation of the clover action for heavy valence quarks and the asqtad action for the light valence quarks. The central goal of the program is to provide ever more exacting tests of the unitarity of the CKM matrix. We present preliminary results for one part of the program, namely the analysis of the semileptonic decay BDn at nonzero recoil.

Original language	English (US)
Article number	104
Journal	Proceedings of Science
Volume	Part F130497
State	Published - Jan 1 2012
Externally published	Yes

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abstract = "The Fermilab Lattice and MILC collaborations are completing a comprehensive program of heavy-light physics on MILC (2+1)-flavor asqtad ensembles with lattice spacings as small as 0.045 fm and light-to-strange-quark mass ratios as low as 1/20. We use the Fermilab interpretation of the clover action for heavy valence quarks and the asqtad action for the light valence quarks. The central goal of the program is to provide ever more exacting tests of the unitarity of the CKM matrix. We present preliminary results for one part of the program, namely the analysis of the semileptonic decay BDn at nonzero recoil.",

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AU - Qiu, Si Wei

AU - DeTar, Carleton

AU - Du, Daping

AU - Kronfeld, Andreas S.

AU - Laiho, John W

AU - Van De Water, Ruth S.

PY - 2012/1/1

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