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Measurement E195M129

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Experiment: CLAS12 RG-K, 2022

Spokespersons: Daniel S. Carman

Measurement comment: Coordinate system:
    (x′,y′,z′), z′ along K+, y′ normal to hadronic 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′z′,
z 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′z′,
Plot measurement data

Parameter (X axis): W, GeV

Click here to get data in text file, delimited with tabs.

Measured data:

W,
GeV
P′z′ Data errors Systematic errors
1.64 0 0 0
1.72 0.38612 0.39523 0.13792
1.8 -0.5021 0.16675 0.10999
1.88 -0.18149 0.11593 0.07442
1.96 -0.23374 0.11949 0.08376
2.04 -0.32791 0.14803 0.10018
2.12 -0.10307 0.16445 0.09869
2.2 -0.33883 0.17041 0.08325
2.28 -0.49446 0.19011 0.07892
2.36 0.09137 0.25313 0.09921