Constraint on the Isgur-Wise function for \bar B --> D semileptonic decays

Antonio O. Bouzas, Virendra Gupta

A current algebra sum rule for inclusive decays \bar B --> D + X + \ell + \bar νby Bjorken et al. is used to obtain constraints on the Isgur-Wise function ξ(ω) for \bar B --> D \el…