Form factors, branching ratio and forward–backward asymmetry in B→K1ℓ+ℓ- decays M. Ali Paracha, Ishtiaq Ahmed and M. Jamil Aslam Eur. Phys. J. C, 52 4 (2007) 967-973 Published online: 16 October 2007 DOI: 10.1140/epjc/s10052-007-0422-4