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Is J/psi-Nucleon Scattering Dominated by the Gluonic van der Waals Interaction?
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abstract
The gluon-exchange contribution to $J/\psi$-nucleon scattering is shown to yield a sizeable scattering length of about -0.25 fm, which is consistent with the sparse available data. Hadronic corrections to gluon exchange which are generated by $\rho\pi$ and $D\bar D$ intermediate states of the $J/\psi$ are shown to be negligible. We also propose a new method to study $J/\psi$-nucleon elastic scattering in the reaction $\pi^+ d\to J/\psi p p$.
Forward citations
Cited by 2 Pith papers
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Low-energy scattering of the $J/\psi \pi$ and $J/\psi K$ system
First dispersive upper-bound estimates for J/ψπ and J/ψK scattering lengths, with soft-gluon exchange dominating the coupled-channel mechanism.
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Heavy-heavy and heavy-light mesons in cold nuclear matter
Using the quark-meson coupling model and effective Lagrangians, heavy and heavy-light mesons are predicted to feel attractive potentials in nuclei and form bound states, including new B_c-nucleus states.
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