∑+p elastic scattering has been studied using a scintillating fiber block (SCIFI) which served as a target for the production of ∑+ hyperons as well as for subsequent ∑+ scattering on hydrogen. A new technique for the analysis of the hyperon-nucleon scattering in the SCIFI has been developed and established. In this paper, ∑+p elastic scattering events have been identified in the ∑+ momentum range of 300-600 MeV/c, and differential cross sections have been obtained at two angles. The results are compared with various theoretical baryon-baryon interaction models.
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