Measurements of C_x and C_z for K^+Lambda and K^+Sigma^o Photoproduction
Conference
·
OSTI ID:876064
The CLAS collaboration has recently completed first measurements of the double polarization observables C{sub x} and C{sub z} for the reactions K{sup +} Lambda and K{sup +} Sigma{sup o} photoproduction. C{sub x} and C{sub z} 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 Sigma{sup o} is different from the Lambda case.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA
- Sponsoring Organization:
- USDOE - Office of Energy Research (ER)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 876064
- Report Number(s):
- JLAB-PHY-06-11; DOE/ER/40150-3723; nucl-ex/0602004
- Country of Publication:
- United States
- Language:
- English
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