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Sequential charmonium dissociation

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arxiv hep-ph/0512239 v3 pith:BFRQOJ56 submitted 2005-12-19 hep-ph

classification hep-ph
keywords psi-primecharmoniumobservedsuppressionaboveagreesassumeavailable
verification ladder T0 review T1 audit T2 compute T3 formal
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Finite temperature lattice QCD indicates that the charmonium ground state J/psi can survive in a quark-gluon plasma up to 1.5 T_c or more, while the excited states chi_c and psi-prime are dissociated just above T_c. We assume that the chi_c suffers the same form of suppression as that observed for the psi-prime in SPS experiments, and that the directly produced J/psi is unaffected at presently available energy densities. This provides a parameter-free description of J/psi and psi-prime suppression which agrees quite well with that observed in SPS and RHIC data.

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Cited by 2 Pith papers

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  1. Non-relativistic QCD Study of Excited Bottomonia at Finite Temperatures on a Fine Lattice

    hep-lat 2025-01 conditional novelty 4.0 of 10

    Excited bottomonia in a quark-gluon plasma acquire temperature-dependent widths with no significant mass shifts, according to a Gaussian model fit to lattice NRQCD correlators.

  2. 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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