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Sequential charmonium dissociation

F. Karsch
(
- Brookhaven and
- Bielefeld U.
)
,
D. Kharzeev
(
- Brookhaven
)
,
H. Satz
(
- Bielefeld U. and
- CFIF, Lisbon
)

Dec, 2005

10 pages

Published in:

Phys.Lett.B 637 (2006) 75-80

e-Print:

hep-ph/0512239 [hep-ph]

DOI:

10.1016/j.physletb.2006.03.078

Report number:

BNL-NT-05-50

View in:

ADS Abstract Service

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Abstract:

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.

Note:

10 pages, 8 figures Report-no: BNL-NT-05/50

scattering: heavy ion
quarkonium: dissociation
charmonium
J/psi(3100)
psi(3685)
chi mesons
quark gluon: plasma
quantum chromodynamics
lattice field theory
finite temperature

References(38)

Figures(0)

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