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Measurement E195M152

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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: [0.5:1.0]

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 : 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 0.78768 0.17197
1.8 0.19791 0.19147 0.08701
1.88 -0.19477 0.17375 0.0659
1.96 0.31385 0.20477 0.0751
2.04 0.28722 0.23224 0.0832
2.12 0.17675 0.26347 0.09122
2.2 0.50176 0.26738 0.08515
2.28 -0.6765 0.28141 0.08382
2.36 0.15484 0.2879 0.08275