Cross section for charmonium absorption by nucleons
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abstract
The cross section for [Formula Presented] absorption by nucleons is studied using a gauged SU(4) hadronic Lagrangian but with empirical particle masses, which has been used previously to study the cross sections for [Formula Presented] absorption by pion and [Formula Presented] meson. Including both two-body and three-body final states, we find that with a cutoff parameter of 1 GeV at interaction vertices involving charm hadrons, the [Formula Presented] absorption cross section is at most 5 mb and is consistent with that extracted from [Formula Presented] production from both photonuclear and proton-nucleus reactions. 2001 The American Physical Society.