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Measurement E195M148

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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: [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 -0.43365 0.50157 0.13872
1.8 0.24186 0.23847 0.07015
1.88 -0.02578 0.21444 0.05738
1.96 -0.11809 0.23462 0.06508
2.04 0.28787 0.22333 0.06801
2.12 0.36853 0.21328 0.06058
2.2 0.26585 0.20157 0.05554
2.28 -0.50302 0.19735 0.05353
2.36 0.10589 0.19268 0.05263