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Hadrons with charmed quarks in matter

Authors:	A Sibirtsev

Institution:	(1) Institut für Kernphysik, Forschungszentrum Jülich, D-52425 Jülich, Germany

Abstract:	We investigate the $D\bar{D}$ decay width of excited charmonium states at finite nuclear density with simultaneous modification of both D- and $\bar{D}$ -mesons in nuclear matter. The strongest effect is found for the $\Psi^{\prime}$ -meson. The medium modification can be detected by dilepton spectroscopy as substantial $\Psi^{\prime}$ broadening and anomalous $\Psi^{\prime}$ absorption.Received: 30 September 2002, Published online: 22 October 2003PACS: 13.25.Gv Decays of $J/\Psi$ , $\Upsilon$ , and other quarkonia - 14.40.Lb Charmed mesons - 14.65.Dw Charmed quarks - 24.85. + p Quarks, gluons, and QCD in nuclei and nuclear processes

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