CLAS Physics Database

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Measurement E19M27

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Experiment: E89-004, 2005

Spokespersons: R. A. Schumacher

Experiment comment: Correlated data on W & cos(theta) distribution are available in E19M33 and E19M34 measurements.

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

Quantity measured: C_x, dimensionless
Spin transfer coefficient C_x for circularly polarized photon beam and recoiling polarized hyperons.
Beam: γ, polarization: circular
Target: p (Z=1, A=1), polarization: none
Final state: K⁺ Σ⁰, polarization: none

W :	2.377 GeV
E_γ :	2.543 GeV

Observable quantity measured (Y axis): C_x, 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	C_x, dimensionless	Data errors, dimensionless
-0.7	-1.474	1.238
-0.4	0.08	2.297
-0.1	-3.047	1.204
0.2	0.014	0.835
0.5	0.459	0.363
0.8	-0.49	0.315