Radiative leptonic B decays in the instantaneous Bethe-Salpeter approach

G. A. Chelkov, M. I. Gostkin, Z. K. Silagadze

Rare radiative leptonic decay $B\to l{\bar{\nu }}_l\gamma$ is studied in the instantaneous Bethe-Salpeter approach. The results are compared to other relativistic quark model predictions.