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Measurement E195M146

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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: [-0.5:0.0]

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 : 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 0.7656 0.37169 0.10479
1.8 0.11659 0.16038 0.061
1.88 -0.00837 0.12956 0.0453
1.96 -0.08354 0.14733 0.06493
2.04 0.09304 0.19865 0.08528
2.12 -0.72134 0.2629 0.09751
2.2 0.57506 0.33504 0.10106
2.28 -0.49693 0.37407 0.09168
2.36 -0.26164 0.46195 0.09965