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Measurement E18M34

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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 : 2.416 GeV
Eγ : 2.642 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 1.64 0.497
-0.55 1.58 0.624
-0.35 1.385 0.367
-0.15 0.649 0.478
0.05 0.587 0.459
0.25 -0.369 0.399
0.45 0.887 0.24
0.65 0.548 0.157
0.85 0.397 0.238