Xi and AntiXi production in Pb+Pb collisions at 40 AGeV at CERN SPS

Details Xi and AntiXi production in Pb+Pb collisions at 40 AGeV at CERN SPS Xi and AntiXi production in Pb+Pb collisions at 40 AGeV at CERN SPS

2003-05-21

arxiv.org/abs/nucl-ex/0305021v2

J.Phys. G30 (2004) S175-S180

Physics

Nuclear Physics

Nuclear Experiment

6 pages, 6 figures, proceedings of SQM03, to be published in Journal of Physics G; V2: changes in table 1 and figure 5

Scientific paper

10.1088/0954-3899/30/1/017

First results on the production of Xi and AntiXi hyperons in Pb+Pb interactions at 40 AGeV are presented. The AntiXi/Xi ratio at midrapidity is studied as a function of collision centrality. The ratio shows no significant centrality dependence within statistical errors; it ranges from 0.07 to 0.15. The AntiXi/Xi ratio for central Pb+Pb collisions increases strongly with the collision energy.

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