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Measurement E195M131

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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: [0.9:0.3] 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 : 0.3 — 0.9 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 -0.24171 0.28809 0.12583
1.8 -0.2819 0.11547 0.07585
1.88 0.09974 0.08075 0.04612
1.96 0.01362 0.0842 0.05005
2.04 -0.20877 0.0935 0.05982
2.12 0.00258 0.10233 0.06189
2.2 -0.07489 0.11322 0.05842
2.28 -0.15584 0.13039 0.05408
2.36 -0.26718 0.15342 0.05217