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Measurement E195M149

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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: [1:4.5] 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 : 1 — 4.5 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 -1 2.91364 0.17862
1.8 0.0336 0.33191 0.09929
1.88 -0.18936 0.27161 0.08881
1.96 -0.7257 0.28278 0.09441
2.04 -0.45296 0.36042 0.10455
2.12 0.29454 0.39876 0.10423
2.2 1 0.44089 0.09711
2.28 0.35759 0.49612 0.0905
2.36 1 0.62428 0.09197