CLAS Physics Database

Measurement E18M14

Experiment: E89-004
Year: 2005

Experiment comment:

Correlated data on W & cos(theta) distribution are available in E18M37 and E18M38 measurements.
Spokesperson: R. A. Schumacher
Reaction: γp → K+ Λ
Polarization: beam (circular)
Quantity: Cz
W: 1.987 GeV
Eγ: 1.635 GeV
Publication:
R. Bradford, R. A. Schumacher, and CLAS Collaboration First Measurement of Beam-Recoil Observables Cx and Cz in Hyperon Photoproduction // Submitted to Physical Review C

Measurement data
cos(θ) Cz uncertainty
-0.75 0.554 0.141
-0.55 0.632 0.129
-0.35 0.731 0.123
-0.15 0.897 0.097
0.05 1.001 0.078
0.25 0.829 0.062
0.45 0.925 0.053
0.65 0.941 0.054
0.85 0.893 0.107