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Lattice computation of B→ D*, D** l nu form factors at finite heavy masses

Mariam Atoui 1
1 Laboratoire de Physique Corpusculaire (Aubière, Puy-de-Dôme)
LPC - Laboratoire de Physique Corpusculaire - Clermont-Ferrand
Abstract : We propose a strategy to compute form factors entering the semileptonic decay channel of B mesons into orbitally excited (P wave) D** charmed mesons on the lattice using, for the first time, realistic charm quarks having a finite mass. We present preliminary results about the extracted transition amplitudes and form factors at different recoils and at three different b quark masses.
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http://hal.in2p3.fr/in2p3-00830716
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Submitted on : Wednesday, June 5, 2013 - 3:53:37 PM
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Mariam Atoui. Lattice computation of B→ D*, D** l nu form factors at finite heavy masses. Rencontres de Moriond, Mar 2013, La Thuile, Italy. ⟨in2p3-00830716⟩

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