Lambda, Xi and Omega production in Pb Pb collisions at 158-A-GeV/c.

The WA97 collaboration Andersen, E. ; Antinori, F. ; Armenise, N. ; et al.
Nucl.Phys.A 638 (1998) 115-124, 1998.
Inspire Record 481868 DOI 10.17182/hepdata.36351

Enhanced production of strange baryons and anti-baryons at central rapidity in S-W and S-z.sbnd;S with respect to p-A reactions has been reported by the CERN experiments WA85 and WA94. The WA97 experiment is extending such a study to Pb Pb collisions making use of the newly developed silicon pixel detectors. Results on Λ, Ξ − and Ω − production in Pb Pb collisions at 158 A GeV/ c at central rapidity are presented. Transverse mass spectra and particle ratios are presented. Hyperon yields are given as a function of the collision centrality and compared with those obtained from p-Pb collisions using the same experimental setup.

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