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Measurement E195M135

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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: [3.5:0.9] GeV^2
cos(θKc.m.) bin: [0.0:0.5]

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 : 0.9 — 3.5 GeV2
W : 1.6 — 2.4 GeV
Ebeam : 6.535 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 -0.50839 0.29274 0.12085
1.8 -0.36608 0.12219 0.0564
1.88 0.00559 0.10812 0.04332
1.96 -0.40433 0.12738 0.05166
2.04 -0.07337 0.15749 0.06449
2.12 -0.41102 0.18055 0.06905
2.2 -0.41523 0.20456 0.06715
2.28 -0.46327 0.23213 0.06277
2.36 -0.35732 0.26976 0.06437