Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2004-03-17
J.Phys. G30 (2004) S1073-S1078
Physics
Nuclear Physics
Nuclear Experiment
5 pages, 4 figures, contribution to the Quark Matter conference, Oakland, USA, Jan 11-17, 2004
Scientific paper
10.1088/0954-3899/30/8/061
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.
for the NA49 Collaboration
Kniege Stefan
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