Weak decays of J/ψ: the non-leptonic case Yu-Ming Wang, Hao Zou, Zheng-Tao Wei, Xue-Qian Li and Cai-Dian Lü Eur. Phys. J. C, 55 4 (2008) 607-613 Published online: 17 May 2008 DOI: 10.1140/epjc/s10052-008-0619-1