B→K transition form factor up to within the kT factorization approach Xing-Gang Wu, Tao Huang and Zhen-Yun Fang Eur. Phys. J. C, 52 3 (2007) 561-570 Published online: 02 October 2007 DOI: 10.1140/epjc/s10052-007-0421-5