https://doi.org/10.1140/epjc/s10052-006-0075-8
Regular Article - Theoretical Physics
J/ψ strong couplings to vector mesons
1
Dipartimento Interateneo di Fisica, Università di Bari and INFN Bari, via Amendola 173, 70126, Bari, Italy
2
Sezione di Pavia and Dipartimento di Fisica Nucleare e Teorica, INFN, via A. Bassi 6, 27100, Pavia, Italy
3
INFN Sezione di Roma, Roma, Italy
* e-mail: antonio.polosa@cern.ch
Received:
10
May
2006
Published online:
24
October
2006
We present a study of the cross sections J/ψX→D(*)D̄(*) (X=ρ, Φ) based on the calculation of the effective tri- and four-linear couplings J/ψ X D(*) D̄(*) within a constituent quark model. In particular, the method for the calculation of the four-linear couplings is illustrated. The results obtained have been used in a recent analysis of J/ψ absorption by the hot hadron gas formed heavy-ion collisions at SPS energies.
© Springer-Verlag Berlin Heidelberg, 2006