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Initial state effects on dilepton production in nuclear collisions

Helmut Satz
(
- CERN and
- Bielefeld U.
)

Jul, 1990

5 pages

Part of Particles and nuclei. Proceedings, 12th International Conference, PANIC XII, Cambridge, USA, June 25-29, 1990, 473-478, Quark matter '90. Proceedings, 8th International Conference on Ultrarelativistic Nucleus Nucleus Collisions, Menton, France, May 7-11, 1990

Published in:

Nucl.Phys.A 525 (1991) 473-478

Contribution to:

Published: 1991

DOI:

10.1016/0375-9474(91)90367-F

Report number:

CERN-TH-5824-90

View in:

CERN Document Server

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Abstract: (Elsevier)

For hadron-nucleus collisions, multiple elastic scattering of the incident parton inside the nucleus leads to a broadening of the p t distribution of high mass dilepton production. Such a broadening has been used to explain the p t dependence of the J / ψ suppression observed in high energy O - U and S - U collisions. Precision measurements of the A -dependence of dilepton distributions from h - A collisions can provide a test of this explanation. Furthermore, a comparison of the P T -dependence of J / ψ and Drell-Yan production in nucleus-nucleus collisions, as function of E T -can be used to distinguish between quark deconfinement and hadronic absorption as origin of the observed J / ψ suppression.

talk: Cambridge 1990/06/25
talk: Menton 1990/05/07
hadron nucleus: inclusive reaction
nucleus nucleus: inclusive reaction
lepton: pair production
pair production: lepton
J/psi(3100): hadroproduction
hadroproduction: J/psi(3100)
Drell-Yan process
transverse momentum: spectrum

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