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Measurement E195M122

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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: [-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 : 0.3 — 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 0 0
1.72 -0.34906 0.22511 0.11456
1.8 0.05413 0.09782 0.06298
1.88 0.1772 0.07546 0.04342
1.96 0.04247 0.08472 0.05655
2.04 0.02518 0.11378 0.0797
2.12 -0.55228 0.14661 0.09203
2.2 -0.34218 0.17714 0.09156
2.28 -0.26652 0.22721 0.09824
2.36 -0.59563 0.28944 0.10765