System-size dependence of strangeness production in nucleus-nucleus collisions at sqrt s_NN = 17.3 GeV

  • Emission of pi, K, phi and Lambda was measured in near-central C+C and Si+Si collisions at 158 AGeV beam energy. Together with earlier data for p+p, S+S and Pb+Pb, the system-size dependence of relative strangeness production in nucleus-nucleus collisions is obtained. Its fast rise and the saturation observed at about 60 participating nucleons can be understood as onset of the formation of coherent partonic subsystems of increasing size. PACS numbers: 25.75.-q

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Metadaten
Author:Christopher Alt, NA49 Collaboration
URN:urn:nbn:de:hebis:30-16195
Document Type:Preprint
Language:English
Date of Publication (online):2005/09/26
Year of first Publication:2005
Publishing Institution:Universit├Ątsbibliothek Johann Christian Senckenberg
Release Date:2005/09/26
Source:Phys.Rev.Lett. 94 (2005), http://arxiv.org/abs/nucl-ex/0406031
HeBIS-PPN:189015705
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht