Current status of quark gluon plasma signals

Compelling evidence for the creation of a new form of matter has been claimed to be found in Pb+Pb collisions at SPS. We discuss the uniqueness of often proposed experimental signatures for quark matter formation in rela
Compelling evidence for the creation of a new form of matter has been claimed to be found in Pb+Pb collisions at SPS. We discuss the uniqueness of often proposed experimental signatures for quark matter formation in relativistic heavy ion collisions. It is demonstrated that so far none of the proposed signals like J/psi meson production/suppression, strangeness enhancement, dileptons, and directed flow unambigiously show that a phase of deconfined matter has been formed in SPS Pb+Pb collisions. 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.
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Author:Detlef Zschiesche, Steffen A. Bass, Marcus Bleicher, Jörg Brachmann, Lars Gerland, Kerstin Paech, Stefan Scherer, Sven Soff, Christian Spieles, Henning Weber, Horst Stöcker, Walter Greiner
URN:urn:nbn:de:hebis:30-7179
Document Type:Preprint
Language:English
Date of Publication (online):2005/04/14
Year of first Publication:2001
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2005/04/14
Tag:Gluon ; Plasma ; Quark; Signal
Gluon ; Plasma ; Quark; Signal
Source:http://de.arxiv.org/abs/nucl-th/0101047 , Proceedings of the Symposium on Fundamental Issues in Elementary Matter In Honor and Memory of Michael Danos 241. WE-Heraeus-Seminar Bad Honnef, Germany, 25--29 September 2000. Acta Phys.Hung.New Ser.Heavy Ion Phy
HeBIS PPN:128808055
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen

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