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Measurement E195M155

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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: [0.0:0.5]

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 -0.23574 0.36131 0.11144
1.8 0.21428 0.17159 0.07771
1.88 -0.28581 0.13794 0.05043
1.96 -0.20893 0.15251 0.06005
2.04 0.55778 0.17185 0.0676
2.12 0.17467 0.18634 0.07044
2.2 -0.30435 0.19983 0.0663
2.28 0.14306 0.22913 0.06522
2.36 -0.60305 0.26123 0.06069