Charmonium absorption cross section by nucleon

Abstract

The $J/\psi$ absorption cross section by nucleon is studied using a gauged SU(4) hadronic Lagrangian but with empirical particle masses, which has been used previously to study the $J/\psi$ absorption cross section by pion and rho 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 $J/\psi -N$ absorption is at most 5 mb and is consistent with that extracted from $J/\psi$ production from both photo-nuclear and proton-nucleus reactions.

7 pages, revtex, 7 figures

References in corpus (1)

• Chiral Symmetry in Charmonium - Pion Cross Section

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• Role of the ${\Lambda }_c^{+}(2940)$ in the ${\pi }^{-}p\to D^{-}{D}^{0}p$ reaction close to threshold
• Decay behaviors of possible ${\Lambda }_{c\bar{c}}$ states in hadronic molecule pictures
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• Charmonium Cross Sections and the QGP
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• Theoretical Overview on (Hidden) Charm in High-Energy Heavy-Ion Collisions
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• Anomalous J/psi suppression and charmonium dissociation cross sections
• Possible ${\Lambda }_c{\bar{\Lambda }}_c$ molecular states and their productions in nulceon-antinulceon collision
• Strong decays of $P_{\psi }^N(4312{)}^{+}$ to $J/\psi ({\eta }_c)p$ and ${\bar{D}}^{(\ast )}{\Lambda }_c$ within the Bethe-Salpeter framework
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