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Measurement E195M136

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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: [0.5:1.0]

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 -0.91875 0.31532 0.12196
1.8 -1 0.12763 0.06735
1.88 -0.35264 0.12006 0.05986
1.96 -0.44969 0.13932 0.07248
2.04 -0.00181 0.15018 0.0744
2.12 -0.48592 0.16313 0.07502
2.2 -0.44676 0.17329 0.07894
2.28 -0.26404 0.17726 0.07229
2.36 -0.38302 0.18081 0.07005