Dissociation cross sections of ground-state and excited charmonia with light mesons in the quark model

Abstract

We present numerical results for the dissociation cross sections of ground-state, orbitally- and radially-excited charmonia in collisions with light mesons. Our results are derived using the nonrelativistic quark model, so all parameters are determined by fits to the experimental meson spectrum. Examples of dissociation into both exclusive and inclusive final states are considered. The dissociation cross sections of several C=(+) charmonia may be of considerable importance for the study of heavy ion collisions, since these states are expected to be produced more copiously than the J/psi. The relative importance of the productions of ground-state and orbitally-excited charmed mesons in a pion-charmonium collision is demonstrated through the $\sqrt{s}$-dependent charmonium dissociation cross sections.

9 pages, 8 figures

References in corpus (1)

• Progress in the determination of the $J/\psi -\pi$ cross section

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