Form factors and branching ratio for the B→lνγ decay M.S. Khan, M.J. Aslam, A.H.S. Gilani and Riazuddin Eur. Phys. J. C, 49 3 (2007) 665-674 Published online: 08 December 2006 DOI: 10.1140/epjc/s10052-006-0152-z