CLAS Physics Database

Measurement E18M4

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: 1.734 GeV
Eγ: 1.132 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 0.0 0.0
-0.55 0.451 0.28
-0.35 0.742 0.179
-0.15 0.94 0.135
0.05 1.004 0.117
0.25 0.983 0.11
0.45 0.752 0.085
0.65 0.893 0.084
0.85 1.017 0.111