$\chi$ and $J/\psi$ Suppression in Heavy Ion Collisions and a Model for Its Momentum Dependence

Karsch, F.; Petronzio, R.

doi:10.1007/BF01549724

$\chi$ and $J/\psi$ Suppression in Heavy Ion Collisions and a Model for Its Momentum Dependence

F. Karsch
(
- CERN
)
,
R. Petronzio
(
- Rome U., Tor Vergata
)

Oct, 1987

22 pages

Published in:

Z.Phys.C 37 (1988) 627

DOI:

10.1007/BF01549724

Report number:

CERN-TH-4884-87,
ROM2F-87-032

View in:

pdf

reference search109 citations

Citations per year

Abstract: (Springer)

The suppression ofJ/ψ resonance production recently observed in heavy ion collisions contains some information also on the suppression of χ states which are known to be the source of a sizeable fraction of the observedJ/ψ. We analyze recent experimental data within a model that assumes quarkgluon plasma formation in a finite volume for a short time. We extract lifetimes for critical isotherms and obtain a value for the ratio of the Debye screening masses for χ andJ/ψ in the plasma consistent with estimates from lattice QCD. We also make some detailed predictions of the ψ′ suppression pattern and speculate about the extrapolation of the present oxygen results to heavier nuclei.

NUCLEUS NUCLEUS: NUCLEAR REACTION
SCATTERING: HEAVY ION
HEAVY ION: SCATTERING
QUARK GLUON: PLASMA
PLASMA: LIFETIME
J/PSI(3100): HADROPRODUCTION
HADROPRODUCTION: J/PSI(3100)
CHI MESONS: HADROPRODUCTION
HADROPRODUCTION: CHI MESONS
PSI(3685): HADROPRODUCTION