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Hadrons with charmed quarks in matter

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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.

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Authors and Affiliations

  1. Institut für Kernphysik, Forschungszentrum Jülich, D-52425, Jülich, Germany

    A. Sibirtsev

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  1. A. Sibirtsev
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Correspondence to A. Sibirtsev.

Additional information

Received: 30 September 2002, Published online: 22 October 2003

PACS:

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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Sibirtsev, A. Hadrons with charmed quarks in matter. Eur. Phys. J. A 18, 475–478 (2003). https://doi.org/10.1140/epja/i2002-10263-9

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  • DOI: https://doi.org/10.1140/epja/i2002-10263-9

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