Updates on the determination of $|V_{cb}|$, $R(D^{\ast })$ and $|V_{ub}|/|V_{cb}|$

G. Martinelli, S. Simula, L. Vittorio

We present an updated determination of the values of $|V_{cb}|$, $R(D^{\ast })$ and $|V_{ub}|/|V_{cb}|$ based on the new data on semileptonic $B \to D^* \el…