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Behavior of Charmonium Systems after Deconfinement

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arxiv hep-lat/0312037 v1 pith:57AUTNSK submitted 2003-12-23 hep-lat hep-phnucl-th

Saumen Datta , Frithjof Karsch , Peter Petreczky , Ines Wetzorke This is my paper · ORCID
classification hep-lathep-phnucl-th
keywords closedeconfinementsystemstemperaturesalreadyanalysisaxialbehavior
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We present a study of charmonia in hot gluonic plasma, for temperatures upto three times the deconfinement transition temperature Tc. q \bar{q} systems with quark masses close to the charm mass and different spin-parity quantum numbers were studied on very fine isotropic lattices. The analysis of temporal correlators, and spectral functions constructed from them, shows that the J/psi and eta_c survive up to quite high temperatures, with little observable change up to 1.5 Tc, and then gradually weakening and disappearing by 3 Tc. For the scalar and axial vector channels, serious modifications are induced by the hot medium already close to Tc, possibly dissociating the mesons by 1.1 Tc.

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Cited by 6 Pith papers

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

  1. Unified Functional-Holographic Theory of the QCD Critical End Point

    hep-ph 2025-12 unverdicted novelty 6.0 of 10

    A coupled DSE-FRG-holographic model predicts the QCD critical end point at T_CEP approximately 130-135 MeV and mu_B,CEP approximately 600 MeV, with sensitivity to regulator and normalization choices.

  2. Thermal Static Potential and Pseudo-Scalar Quarkonium Spectral Functions from 2+1 Flavor Lattice QCD

    hep-lat 2025-05 conditional novelty 6.0 of 10

    Pseudoscalar quarkonium spectral functions built from a non-perturbative complex thermal potential show eta_c close to melting at 1.6 Tpc while eta_b remains a narrow, well-defined state.

  3. In-medium bottomonium properties from lattice NRQCD calculations with extended meson operators

    hep-lat 2025-01 conditional novelty 6.0 of 10

    Bottomonium masses do not shift in the quark-gluon plasma up to 250 MeV, but thermal widths are nonzero and highly sensitive to the assumed spectral function shape.

  4. Melting of $c \bar c$ and $b \bar b$ pairs in the pre-equilibrium stage of proton-nucleus collisions at the Large Hadron Collider

    hep-ph 2024-12 conditional novelty 6.0 of 10

    Color decorrelation in the evolving glasma melts roughly half of initially singlet charm and bottom quark pairs within about 0.4 to 0.5 fm/c after their formation in proton-nucleus collisions at the LHC.

  5. Thermal Broadening of Bottomonia: Lattice Non-Relativistic QCD with Extended Operators

    hep-lat 2019-08 conditional novelty 6.0 of 10

    Using extended operators, lattice NRQCD correlators at T=151-334 MeV are fit with broadened spectral functions, yielding thermal widths for bottomonia that grow with temperature, especially for P-waves.

  6. Charmonium properties at high temperatures from lattice QCD

    hep-lat 2026-05 unverdicted novelty 4.0 of 10

    Lattice QCD calculations indicate charmonium states persist below the open-charm threshold up to 305 MeV but develop temperature-dependent thermal widths that increase with state size.

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