Strangeness production in STAR

Details Strangeness production in STAR Strangeness production in STAR

2008-09-04

arxiv.org/abs/0809.0823v1

Physics

Nuclear Physics

Nuclear Experiment

proceedings to 24th Winter Workshop on Nuclear Dynamics, South Padre Island, Texas, April 2008

Scientific paper

We present a summary of strangeness enhancement results comparing data from Cu+Cu and Au+Au collisions at sqrt(SNN) = 200GeV measured by the STAR experiment. Relative yields in central Cu+Cu data seem to be higher than the equivalent sized peripheral Au+Au collision. In addition, strange particle production from these two systems is compared in terms of a statistical model, applying a Grand-Canonical ensemble and also applying a canonical correlation volume for the strange particles. Thermal fit results from the Grand-Canonical formalism shows little dependence on the system size but, when considering a strange canonical ensemble, strangeness enhancement shows a strong dependency on the correlation volume.

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