Abstract
We present the current status of our work on the extraction of cross sections and polarizations for photoproduction of hyperon resonances on a hydrogen target (γp→K+Y*) using existing data from the CEBAF Large Acceptance Spectrometer (CLAS). The cross sections and polarizations will be used for a simultaneous theoretical analysis of hyperon ground state and hyperon resonance production. Thus far we have identified the hyperon resonances Σ0(1385), Λ(1405), and Λ(1520) through missing mass and invariant mass cuts in various decay channels, such as Λπ0, Λπ+π−, Σ0π0, Σ+π−, Σ−π+, pK− and nK0. We have not yet seen the resonances Λ(1600), Σ(1660), Λ(1670), Σ(1670) and Λ(1690), although they need to be included for the analysis of the hyperon ground state production.
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