Xi- Production by Sigma-, pi- and Neutrons in the Hyperon Beam Experiment at CERN
The WA89 Collaboration, M. I. Adamovich
Abstract
Inclusive cross sections for Xi- hyperon production in high-energy Sigma-, pi- and neutron induced interactions were measured by the experiment WA89 at CERN. Secondary Sigma- and pi- beams with average momenta of 345 GeV/c and a neutron beam of average momentum 65 GeV/c were produced by primary protons of 450 GeV/c from the CERN SPS. Both single and double differential cross sections are presented as a function of the transverse momentum and the Feynman variable xF. A strong leading effect for Xi- produced by Sigma- is observed. The influence of the target mass on the Xi- cross section is explored by comparing reactions on copper and carbon nuclei.
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