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Measurement E195M93

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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: [1:4.5] 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 : 1 — 4.5 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 -0.02204 0.09238 0.01487
1.72 -0.12225 0.05397 0.01538
1.8 -0.06331 0.05684 0.01802
1.88 -0.11442 0.05518 0.01768
1.96 -0.0583 0.06043 0.02077
2.04 -0.07063 0.08267 0.02483
2.12 0.15073 0.13049 0.03915
2.2 -0.22601 0.17161 0.04768
2.28 -0.32932 0.2101 0.05078
2.36 0.08657 0.19462 0.04079