Chiral Symmetry in Charmonium - Pion Cross Section

Abstract

We perform a non-perturbative calculation of the $J/\Psi -\pi$ cross section using a $SU(2)\times SU(2)$ effective Lagrangian. Our results differ from those of previous calculations, specially in the description of vertices involving pions.

6 pages, RevTeX including 2 figures in eps files

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