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Physics opportunities at RHIC and LHC

  • Nonequilibrium models (three-fluid hydrodynamics, UrQMD, and quark molecular dynamics) are used to discuss the uniqueness of often proposed experimental signatures for quark matter formation in relativistic heavy ion collisions from the SPS via RHIC to LHC. It is demonstrated that these models - although they do treat the most interesting early phase of the collisions quite differently (thermalizing QGP vs. coherent color fields with virtual particles) -- all yield a reasonable agreement with a large variety of the available heavy ion data. Hadron/hyperon yields, including J/Psi meson production/suppression, strange matter formation, dileptons, and directed flow (bounce-off and squeeze-out) are investigated. Observations of interesting phenomena in dense matter are reported. However, we emphasize the need for systematic future measurements to search for simultaneous irregularities in the excitation functions of several observables in order to come close to pinning the properties of hot, dense QCD matter from data. The role of future experiments with the STAR and ALICE detectors is pointed out.

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Author:Stefan Scherer, Steffen A. BassORCiDGND, Mohamed Belkacem, Marcus BleicherORCiDGND, Jörg BrachmannGND, Adrian DumitruGND, Christoph Ernst, Lars GerlandGND, Nils Hammon, Markus Hofmann, Jens Konopka, Ludwig NeiseGND, Manuel Reiter, Stefan SchrammGND, Sven SoffORCiD, Christian SpielesORCiDGND, Henning Weber, Detlef ZschiescheGND, Joachim MaruhnORCiDGND, Horst StöckerORCiDGND, Walter GreinerGND
Document Type:Preprint
Date of Publication (online):2005/11/01
Year of first Publication:1999
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/11/01
Source:http://www.arxiv.org/abs/hep-ph/9903392, Proceedings of the Klaus Kinder-Geiger Day. Prepared for RHIC Physics and Beyond: Kay Kay Gee Day, Upton, New York, 23 Oct 1998. Published in *Brookhaven 1998, RHIC physics and beyond* 121-141
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht