Friday, May 3, 2013

1305.0462 (Mariam Atoui)

Lattice computation of $B \to D^*,\;D^{**}\ell ν$ form factors at
finite heavy masses

Mariam Atoui
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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