Sequential charmonium dissociation

F. Karsch; D. Kharzeev; H. Satz

doi:10.1016/j.physletb.2006.03.078

Sequential charmonium dissociation

F. Karsch
, D. Kharzeev
, H. Satz

Physics and Astronomy

Brookhaven National Laboratory
Bielefeld University
University of Lisbon

Research output: Contribution to journal › Article › peer-review

218 Scopus citations

Abstract

Finite temperature lattice QCD indicates that the charmonium ground state J / ψ can survive in a quark-gluon plasma up to 1.5 T_c or more, while the excited states χ_c and ψ^′ are dissociated just above T_c. We assume that the χ_c suffers the same form of suppression as that observed for the ψ^′ in SPS experiments, and that the directly produced J / ψ is unaffected at presently available energy densities. This provides a parameter-free description of J / ψ and ψ^′ suppression which agrees quite well with that observed in SPS and RHIC data.

Original language	English
Pages (from-to)	75-80
Number of pages	6
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	637
Issue number	1-2
DOIs	https://doi.org/10.1016/j.physletb.2006.03.078
State	Published - Jun 1 2006

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abstract = "Finite temperature lattice QCD indicates that the charmonium ground state J / ψ can survive in a quark-gluon plasma up to 1.5 Tc or more, while the excited states χc and ψ′ are dissociated just above Tc. We assume that the χc suffers the same form of suppression as that observed for the ψ′ in SPS experiments, and that the directly produced J / ψ is unaffected at presently available energy densities. This provides a parameter-free description of J / ψ and ψ′ suppression which agrees quite well with that observed in SPS and RHIC data.",

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AU - Karsch, F.

AU - Kharzeev, D.

AU - Satz, H.

PY - 2006/6/1

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N2 - Finite temperature lattice QCD indicates that the charmonium ground state J / ψ can survive in a quark-gluon plasma up to 1.5 Tc or more, while the excited states χc and ψ′ are dissociated just above Tc. We assume that the χc suffers the same form of suppression as that observed for the ψ′ in SPS experiments, and that the directly produced J / ψ is unaffected at presently available energy densities. This provides a parameter-free description of J / ψ and ψ′ suppression which agrees quite well with that observed in SPS and RHIC data.

AB - Finite temperature lattice QCD indicates that the charmonium ground state J / ψ can survive in a quark-gluon plasma up to 1.5 Tc or more, while the excited states χc and ψ′ are dissociated just above Tc. We assume that the χc suffers the same form of suppression as that observed for the ψ′ in SPS experiments, and that the directly produced J / ψ is unaffected at presently available energy densities. This provides a parameter-free description of J / ψ and ψ′ suppression which agrees quite well with that observed in SPS and RHIC data.

UR - https://www.scopus.com/pages/publications/33646364531

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JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 1-2

ER -

Sequential charmonium dissociation

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