Rapidity and transverse momentum dependence of pion-pion Bose-Einstein correlations measured at 20, 30, 40, 80, and 158 AGeV beam energy

  • Preliminary results on pion-pion Bose-Einstein correlations in central Pb+Pb collisions measured by the NA49 experiment are presented. Rapidity as well as transverse momentum dependence of the HBT-radii are shown for collisions at 20, 30, 40, 80, and 158 AGeV beam energy. Including results from AGS and RHIC experiments only a weak energy dependence of the radii is observed. Based on hydrodynamical models parameters like lifetime and geometrical radius of the source are derived from the dependence of the radii on transverse momentum.

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Metadaten
Author:Stefan KniegeGND, NA49 Collaboration
URN:urn:nbn:de:hebis:30-16243
DOI:https://doi.org/10.48550/arXiv.nucl-ex/0403034
ArXiv Id:http://arxiv.org/abs/nucl-ex/0403034
Document Type:Preprint
Language:English
Date of Publication (online):2005/09/26
Year of first Publication:2004
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/09/26
Source:J.Phys. G30 (2004), http://arxiv.org/abs/nucl-ex/0403034
HeBIS-PPN:189026030
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht

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