Abstract
Inclusive differential cross sections for hyperon production in high-energy Σ−, π− and neutron induced interactions are measured by the experiment WA89 at CERN. Secondary Σ− and π− beams with average momenta of 345 GeV/c and a neutron beam of 260 GeV/c were produced by primary protons of 450 GeV/c from the CERN SPS. A new decay mode for Ξ16900 is observed. A strong leading effect is seen for hyperons produced by Σ−. The influence of the target mass on hyperon cross section is explored by comparing reactions on copper and carbon nuclei.
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