28 research outputs found

    Determination of the number of wounded nucleons in Pb+Pb collisions at 158 A GeV/c

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    The charged particle multiplicity distributions measured by two experiments, WA97 and NA57, in Pb+Pb collisions at 158 A GeV/c have been analyzed in the framework of the wounded nucleon model (WNM). We obtain a good description of the data within the centrality range of our samples. This allows us to make use of the measured multiplicities to estimate the number of wounded nucleons of the collision

    PRODUCTION OF F-prime (1520) IN 8.25-GEV/C K- P INTERACTIONS

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    Presents results for the hypercharge exchange reaction K/sup -/p to f' Lambda from a high statistics experiment at 8.25 GeV/c using the CERN 2m HBC. The total and differential cross sections have been measured; the polarisation of the Lambda hyperon and the f' density matrix elements have been calculated as functions of momentum transfer. The authors also present detailed information on the relative strength of the natural and unnatural parity exchange contributions to the production mechanism. (9 refs)
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