Speaker
Judd Harrison
(University of Glasgow)
Description
We present preliminary lattice QCD results from the HPQCD collaboration for the $B\to D^*$ form factors, including tensor form factors. We use these results to construct the differential decay rate, which we compare directly to experimental data. We also present a 'lattice only' determination of the ratio, $R(D^*)=\Gamma(B\to D^*\tau\overline{\nu}_\tau)/\Gamma(B\to D^*\mu\overline{\nu}_\mu)$, as well as a model-independent determination of the CKM matrix element $|V_{cb}|$.
Primary author
Judd Harrison
(University of Glasgow)