Study of f 0(980) and f 0(1500) from B s →f 0(980)π,f 0(1500)π decays Zhi-Qing Zhang Eur. Phys. J. C, 69 3-4 (2010) 433-443 Published online: 15 September 2010 DOI: 10.1140/epjc/s10052-010-1422-3