First Measurement of Beam-Recoil Observables Cx and Cz in Hyperon Photoproduction

R. Bradford, R. A. Schumacher, CLAS Collaboration

Spin transfer from circularly polarized real photons to recoiling hyperons has been measured for the reactions $\vec{\gamma }+p\to K^{+}+\vec{\Lambda }$ and $\vec{\gamma }+p\to K^{+}+{\vec{\Sigma }}^0$. The data…