A measurement of strange baryon and antibaryon production in Pb–Pb collisions has been carried out by the NA57 experiment at the CERN SPS, with 40 and 158 A GeV/c beam momentum. Results on Λ, Ξ and Ω hyperon yields at mid-rapidity in the most central 53% of Pb–Pb collisions at 40 A GeV/c are presented and compared with those obtained at higher energy, in the same collision centrality range.
Energy dependence of hyperon production in nucleus-nucleus collisions at SPS
GRELLA, Giuseppe;ROMANO, Giorgio;VIRGILI, Tiziano;
2004
Abstract
A measurement of strange baryon and antibaryon production in Pb–Pb collisions has been carried out by the NA57 experiment at the CERN SPS, with 40 and 158 A GeV/c beam momentum. Results on Λ, Ξ and Ω hyperon yields at mid-rapidity in the most central 53% of Pb–Pb collisions at 40 A GeV/c are presented and compared with those obtained at higher energy, in the same collision centrality range.File in questo prodotto:
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