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arXiv · hep-ph/9204219

A QCD Calculation of the Interaction of Quarkonium with Nuclei

Michael Luke·Aneesh V. Manohar·Martin J. Savage
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Abstract

The interaction of quarkonium with nuclei is studied in the $m_Q\rightarrow \infty$ limit of QCD, where the binding energy is found to be exactly computable. The dominant contribution to the interaction is from two-gluon operators. The forward matrix elements of these two-gluon operators can be determined from the QCD scale anomaly, and from deep inelastic scattering. We apply our results to the $Υ$ and $J/ψ$, treating the $\qqbar$ interaction as purely Coulombic. We find the $Υ$ binds in nuclear matter with a binding energy of a few $\mev$, while for the $J/ψ$ binding is of order 10 $\mev$. For the $J/ψ$ in particular we expect confinement effects to produce large corrections to this result.

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Michael Luke, Aneesh V. Manohar, Martin J. Savage. 1992-04-13. A QCD Calculation of the Interaction of Quarkonium with Nuclei. https://doi.org/10.1016/0370-2693(92)91114-o

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