Chiral Symmetry in Charmonium - Pion Cross Section
F. S. Navarra, M. Nielsen, M. R. Robilotta
Abstract
We perform a non-perturbative calculation of the J/Ψ-π cross section using a SU(2)× SU(2) effective Lagrangian. Our results differ from those of previous calculations, specially in the description of vertices involving pions.
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