Lattice measurement of the Isgur-Wise functions tau_1/2 and tau_3/2

D. Becirevic, B. Blossier, Ph. Boucaud +5

We propose a method to compute the Isgur-Wise form factors tau_1/2(1) and tau_3/2(1) for the decay of B mesons into orbitally excited (P wave) D** charmed mesons on the lattice in…