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Measurement E195M156

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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: [0.5:1.0]

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 0.36816 0.48143 0.13872
1.8 -0.03239 0.21071 0.07015
1.88 0.03582 0.19186 0.05738
1.96 0.42861 0.20712 0.06508
2.04 0.46101 0.20713 0.06801
2.12 0.21 0.19383 0.06058
2.2 0.06012 0.18785 0.05554
2.28 -0.25936 0.183 0.05353
2.36 0.12129 0.17752 0.05263