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Measurement E18M1

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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: Cx, dimensionless
Spin transfer coefficient Cx 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 : 1.679 GeV
Eγ : 1.032 GeV

Observable quantity measured (Y axis): Cx, 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
Cx,
dimensionless
Data errors,
dimensionless
-0.75 0 0
-0.55 0.114 0.724
-0.35 -0.96 0.269
-0.15 -0.304 0.186
0.05 -0.47 0.169
0.25 -0.7 0.175
0.45 -0.444 0.139
0.65 -0.216 0.154
0.85 -0.126 0.19