$J/\psi$ suppression in heavy ion collisions at the CERN SPS - INSPIRE

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$J/\psi$ suppression in heavy ion collisions at the CERN SPS

D.E. Kahana
(
- Stony Brook U.
)
,
S.H. Kahana
(
- Brookhaven
)

Oct, 1998

12 pages

Published in:

Phys.Rev.C 59 (1999) 1651-1662

Published: 1999

e-Print:

nucl-th/9810064 [nucl-th]

DOI:

10.1103/PhysRevC.59.1651

Experiments:

View in:

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Abstract:

We reexamine the production of J/Psi and other charmonium states for a variety of target-projectile choices at the SPS, in particular for the interesting comparison between S+U at 200 GeV/c and Pb+Pb at 158 GeV/c as observed in the experiments NA38 and NA50 respectively. The result is a description of the NA38 and NA50 data in terms of a conventional, quasi-hadronic picture. The apparently anomalous suppression found in the most massive Pb+Pb system arises in the present simulation from three sources: destruction in the initial nucleon-nucleon cascade phase, use of coupled channels to exploit the larger breakup in the less bound Chi and Psi' states, and comover interaction in the final low energy phase.

scattering: heavy ion
sulfur
uranium
lead
p nucleus: nuclear reaction
charmonium
quarkonium: hadroproduction
quarkonium: hadron spectroscopy
chi mesons: decay modes
Drell-Yan process

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Figures(0)

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