Charmonium-hadron interactions from QCD

Details Charmonium-hadron interactions from QCD Charmonium-hadron interactions from QCD

2002-01-11

arxiv.org/abs/nucl-th/0201027v2

J.Phys.G28:1903-1910,2002

Physics

Nuclear Physics

Nuclear Theory

8 pages, Presented at 6th International Conference on Strange Quarks in Matter: 2001: A Flavorspace Odyssey (SQM2001), Frankfu

Scientific paper

10.1088/0954-3899/28/7/345

The heavy quark system is an excellent probe to learn about the QCD dynamics at finite density. First, we discuss the properties of the $J/\psi$ and $D$ meson at finite nucleon density. We discuss why their properties should change at finite density and then introduce an exact QCD relation among these hadron properties and the energy momentum tensor of the medium. Second, we discuss attempts to calculate charmonium-hadron total cross section using effective hadronic models and perturbative QCD. We emphasize a recent calculation, where the cross section is derived using QCD factorization theorem. We conclude by discussing some challenges for SIS 200.

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