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arxiv: 1211.0956 · v1 · submitted 2012-11-05 · ✦ hep-lat · hep-ph

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The B -> pi l nu form factor from unquenched lattice QCD with domain-wall light quarks and relativistic b-quarks

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classification ✦ hep-lat hep-ph
keywords domain-wallb-quarksfactorformlatticeslightquarksrelativistic
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We report on a lattice-QCD calculation of the B to pi l nu form factor with domain-wall light quarks and relativistic b-quarks using the 2 + 1 flavor domain-wall fermion and Iwasaki gauge-field ensembles generated by the RBC and UKQCD Collaborations. We present initial results obtained from the coarser (a ~ 0.11 fm) 24^3 lattices and some of the finer (a ~ 0.086 fm) 32^3 lattices.

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