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Measurement E195M154

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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: [-0.5:0.0]

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 0.47018 0.34151 0.10479
1.8 0.46343 0.15267 0.061
1.88 0.30685 0.12622 0.0453
1.96 0.02223 0.14741 0.06493
2.04 -0.72334 0.20062 0.08528
2.12 -0.53094 0.2632 0.09751
2.2 0.11252 0.33692 0.10106
2.28 -1 0.36686 0.09168
2.36 0.61056 0.4729 0.09965