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Measurement E195M57

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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: [0.9:0.3] 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+ Λ, polarization: polarized

Q2 : 0.3 — 0.9 GeV2
W : 1.6 — 2.4 GeV
Ebeam : 6.535 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 -0.00174 0.05155 0.01751
1.72 -0.04653 0.02833 0.01986
1.8 -0.07513 0.02573 0.02269
1.88 -0.02298 0.02159 0.02016
1.96 -0.03004 0.02139 0.02031
2.04 0.03954 0.0292 0.02513
2.12 -0.08901 0.04345 0.03453
2.2 -0.11537 0.05538 0.04026
2.28 0.02304 0.06025 0.03596
2.36 0.001 0.06773 0.03376