Measurements of Cx and Cz for K+Lambda and K+Sigmao Photoproduction
Abstract
The CLAS collaboration has recently completed first measurements of the double polarization observables Cx and Cz for the reactions K+Lambda and K+Sigmao photoproduction. Cx and Cz are the beam-recoil polarization asymmetries measuring the polarization transfer from incoming circularly polarized photons to the outgoing hyperons along two directions in the reaction's production plane. The Lambda is found to be nearly maximally polarized along the direction of the incident photon's polarization for forward-going kaons. Polarization transfer to the Sigmao is different from the Lambda case.
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