Strangeness production in hadronic and quark matter: A quantitative differentiation

Journal Article · Wed Feb 01 00:00:00 EST 1995 · Physical Review, D (Particles Fields); (United States)

DOI:https://doi.org/10.1103/PhysRevD.51.1086· OSTI ID:6602348

Asprouli, M N; Panagiotou, A D ^[1]

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1. Physics Department, Nuclear Particle Physics Division, University of Athens, Panepistimiopolis, GR-157 71 Athens (Greece)

We consider the production of strange particles in relativistic nucleus-nucleus collisions employing the hadron gas (HG) and quark-gluon plasma (QGP) formalism. We locate the region in the phase diagram where [mu][sub [ital s]]=0 in the hadron gas phase and define quantitatively the effective upper limit of the HG region. Plotting the strange particle ratios in terms of the temperature and quark chemical potential for both HG and QGP formalisms, we define quantitatively the regions of complete separation of the two processes. We compare the CERN [sup 32]S-induced experiments NA36 and WA85 to both formalisms and discuss their differences. For the future Pb beam experiments, predictions are made in the QGP phase for the magnitude of strange (anti)particle ratios in the baryon-free central region at the CERN LHC and the baryon-rich midrapidity at the CERN SPS and BNL RHIC.

• OSTI ID: 6602348
• Journal Information: Physical Review, D (Particles Fields); (United States), Vol. 51:3; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
STRANGE PARTICLES
HEAVY ION REACTIONS
PARTICLE PRODUCTION
PHASE DIAGRAMS
QUARK MATTER
TEMPERATURE DEPENDENCE
CHARGED-PARTICLE REACTIONS
DIAGRAMS
ELEMENTARY PARTICLES
MATTER
NUCLEAR REACTIONS
663450* - Heavy-Ion-Induced Reactions & Scattering- (1992-)
662230 - Quantum Chromodynamics- (1992-)
662410 - Properties of Baryons & Baryon Resonances- (1992-)
663300 - Nuclear Reactions & Scattering
General- (1992-)