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Measurement E18M14

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Experiment: E89-004, 2005

Spokespersons: R. A. Schumacher

Experiment comment: Correlated data on W & cos(theta) distribution are available in E18M37 and E18M38 measurements.

Publication:

Quantity measured: Cz, dimensionless
Spin transfer coefficient Cz for circularly polarized photon beam and recoiling polarized hyperons.
Beam: γ, polarization: circular
Target: p (Z=1, A=1), polarization: none
Final state: K+ Λ, polarization: none

W : 1.987 GeV
Eγ : 1.635 GeV

Observable quantity measured (Y axis): Cz, dimensionless
Plot measurement data

Parameter (X axis): cos(θ), dimensionless

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θ),
dimensionless
Cz,
dimensionless
Data errors,
dimensionless
-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