Contribution of final-state interaction to the branching ratio of B→J/ψ D Xiang Liu, Zheng-Tao Wei and Xue-Qian Li Eur. Phys. J. C, 59 3 (2009) 683-689 Published online: 28 November 2008 DOI: 10.1140/epjc/s10052-008-0811-3