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Measurement E195M153

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Experiment: CLAS12 RG-K, 2022

Spokespersons: Daniel S. Carman

Measurement comment: Coordinate system:
    (x,y,z), z along virtual photon direction, y normal to electron scattering plane, x=y x z
Q2 bin: [1:0.4] GeV^2
cos(θKc.m.) bin: [-1.0:-0.5]

Publication:

Quantity measured: P′x,
x projection of beam-recoil transferred polarization P′ in (x,y,z) system
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: K+ Σ0, polarization: polarized

Q2 : 0.4 — 1 GeV2
W : 1.6 — 2.4 GeV
Ebeam : 7.546 GeV

Observable quantity measured (Y axis): P′x,
Plot measurement data

Parameter (X axis): W, GeV

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

Measured data:

W,
GeV
P′x Data errors Systematic errors
1.64 0 0 0
1.72 0.42664 0.6241 0.13002
1.8 0.47346 0.2384 0.08325
1.88 -0.14774 0.18906 0.07369
1.96 0.32783 0.1971 0.08038
2.04 0.47248 0.24394 0.09918
2.12 -0.17872 0.27921 0.1013
2.2 -0.29562 0.29094 0.08228
2.28 -0.07963 0.32082 0.08419
2.36 1 0.41404 0.10184