Eur. Phys. J. C (2005) 40: 193-197
https://doi.org/10.1140/epjc/s2005-02143-y
https://doi.org/10.1140/epjc/s2005-02143-y
theoretical physics
transitions in a quark model
1
Dipartimento di Scienze Fisiche, Universitá di Napoli “Federico II”, Italy
2
Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, Italy
We propose a constituent quark model to evaluate heavy decay constants and form factors relevant for semileptonic transitions. We show that the model reproduces the scaling laws dictated by the spin-flavor symmetry in the heavy quark limit and describes quite well the experimental data.
© Springer-Verlag, 2005