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Measurement E195M161

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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: [-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 : 0.4 — 1 GeV2
W : 1.6 — 2.4 GeV
Ebeam : 7.546 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 -0.8192 0.59278 0.13002
1.8 -0.5695 0.23751 0.08325
1.88 -0.08415 0.19253 0.07369
1.96 -0.09219 0.20748 0.08038
2.04 0.34993 0.25468 0.09918
2.12 -0.11806 0.28941 0.1013
2.2 0.2175 0.29223 0.08228
2.28 -0.10112 0.33237 0.08419
2.36 -0.00528 0.43262 0.10184