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Strange Particle Production from SIS up to 40 A·GeV

Strange Particle Production from SIS up to 40 A·GeV <p>A review of strange particle production in heavy ion collisions at incident energies from SIS up to 40 <i>A</i>·GeV is presented. A statistical model assuming chemical equilibrium and local strangeness conservation (i.e. strangeness conservation per collision) describes most of the observed features.</p>  <p>It is demonstrated that the K- production at SIS energies occurs predominantly via strangeness exchange and that this channel is approaching chemical equilibrium. The observed maximum in the K+/&pi;+ excitation function is also seen in the ratio of strange to non-strange particle production. The appearance of this maximum around 30 <i>A</i>·GeV is due to the energy dependence of the chemical freeze-out parameters temperature <i>T</i> and baryo-chemical potential &mu;B. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Physica Hungarica Series A, Heavy Ion Physics Springer Journals

Strange Particle Production from SIS up to 40 A·GeV

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References (37)

Publisher
Springer Journals
Copyright
Copyright © 2005 by Akadémiai Kiadó
Subject
Physics; Nuclear Physics, Heavy Ions, Hadrons
ISSN
1219-7580
eISSN
1588-2675
DOI
10.1556/APH.24.2005.1-4.21
Publisher site
See Article on Publisher Site

Abstract

<p>A review of strange particle production in heavy ion collisions at incident energies from SIS up to 40 <i>A</i>·GeV is presented. A statistical model assuming chemical equilibrium and local strangeness conservation (i.e. strangeness conservation per collision) describes most of the observed features.</p>  <p>It is demonstrated that the K- production at SIS energies occurs predominantly via strangeness exchange and that this channel is approaching chemical equilibrium. The observed maximum in the K+/&pi;+ excitation function is also seen in the ratio of strange to non-strange particle production. The appearance of this maximum around 30 <i>A</i>·GeV is due to the energy dependence of the chemical freeze-out parameters temperature <i>T</i> and baryo-chemical potential &mu;B.

Journal

Acta Physica Hungarica Series A, Heavy Ion PhysicsSpringer Journals

Published: Mar 3, 2014

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