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Measurement E195M121

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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: [-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+ 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 0.1546 0.40504 0.13792
1.8 0.36965 0.1578 0.10999
1.88 0.06717 0.11088 0.07442
1.96 0.06298 0.11334 0.08376
2.04 0.0981 0.13901 0.10018
2.12 0.14007 0.15788 0.09869
2.2 0.08853 0.16382 0.08325
2.28 -0.31646 0.18497 0.07892
2.36 -0.18421 0.24123 0.09921