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D mesons in matter and the in-medium properties of charmonium

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arxiv nucl-th/0207006 v2 pith:BZDX6TKR submitted 2002-07-02 nucl-th

Bengt Friman , Su Houng Lee , Taesoo Song This is my paper · ORCID
classification nucl-th
keywords widthsstatescharmoniumin-mediummassmattermesonaccelerator
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abstract

We study the changes in the partial decay widths of excited charmonium states into $D \bar{D}$, when the D meson mass decreases in nuclear matter, taking the internal structure of the hadrons into account. Calculations within the 3P0 model for $\psi(3686)$ and $\psi(3770)$ imply that naive estimates of the in-medium widths based only on phase space are grossly exaggerated. Due to nodes in the wave functions, these states may even become narrow at high densities, if the D meson mass is decreased by about 200 MeV. For the $\chi$ states, we generally expect stronger modifications of the widths. The relevance of the $\chi$ widths for $J/\psi$ suppression in heavy ion collision is discussed. These phenomena could be explored in experiments at the future accelerator facility at GSI.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Medium modifications of $1P$-wave charmonia $\chi_{cJ}(1P)$ in cold nuclear matter

    hep-ph 2025-10 conditional novelty 6.0 of 10

    χcJ(1P) masses drop by 34–97 MeV in nuclear matter in the QMC+unquenched-loop model, with the D*D̄* loop dominating χc2 and no D-D̄ threshold crossing below 3ρ0.

  2. Charmonium production at SPS and FAIR energies

    hep-ph 2026-05 unverdicted novelty 4.0 of 10

    Remler formalism with in-medium heavy-quark potential describes charmonium yields at SPS energies and supplies estimates for FAIR energies after calibration on p+p and p+A collisions.

  3. Absorption of 1$P$-wave heavy charmonium $\chi_{c1}(1P)$ in nuclei

    nucl-th 2026-04 unverdicted novelty 3.0 of 10

    Calculations of excitation functions, momentum spectra, and transparency ratios for χ_c1(1P) on 12C and 184W nuclei demonstrate sensitivity to different absorption cross-section scenarios, proposed for extraction via ...

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