EVIDENCE FOR A PHASE WITH HIGH SPECIFIC ENTROPY IN NUCLEAR COLLISIONS

LETESSIER, J and TOUNSI, A and HEINZ, U and SOLLFRANK, J and RAFELSKI, J (1993) EVIDENCE FOR A PHASE WITH HIGH SPECIFIC ENTROPY IN NUCLEAR COLLISIONS. PHYSICAL REVIEW LETTERS, 70 (23). pp. 3530-3533. ISSN 0031-9007,

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Abstract

We determine the entropy-per-baryon content of the central reaction region in terms of the charged particle multiplicity. We study the consistency of our findings with recent data on strange antibaryon production at 200A GeV in S-A collisions (A approximately 200) assuming formation of a central fireball. Hadron gas models which do not invoke strong medium modifications of hadron masses do not provide enough entropy and are inconsistent with the combined experimental results. In contrast the quark-gluon plasma hypothesis explains them naturally.

Item Type: Article
Uncontrolled Keywords: SULFUR-TUNGSTEN INTERACTIONS; HEAVY-ION COLLISIONS; 200 GEV/C; BARYONS; PROTON;
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:42
URI: https://pred.uni-regensburg.de/id/eprint/53922

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