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Measurement E195M150

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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: [-0.5:0.0]

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 : 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 -0.73436 0.77845 0.15977
1.8 -0.082 0.21455 0.07177
1.88 0.3268 0.18056 0.05584
1.96 0.02457 0.21187 0.06114
2.04 -0.30643 0.30868 0.08178
2.12 0.60789 0.42795 0.10595
2.2 -0.77869 0.5105 0.09189
2.28 -0.58751 0.65712 0.09947
2.36 -0.46207 0.78145 0.08156