J/ψ strong couplings to vector mesons V. Laporta, F. Piccinini, A.D. Polosa and V. Riquer Eur. Phys. J. C, 48 2 (2006) 545-551 Published online: 24 October 2006 DOI: 10.1140/epjc/s10052-006-0075-8