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Measurement E195M101

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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: [-1.0:-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+ Λ, polarization: polarized

Q2 : 1 — 4.5 GeV2
W : 1.6 — 2.4 GeV
Ebeam : 7.546 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 -0.21784 0.08942 0.01487
1.72 -0.08921 0.05196 0.01538
1.8 -0.00921 0.05489 0.01802
1.88 -0.09976 0.05284 0.01768
1.96 -0.03008 0.06052 0.02077
2.04 -0.11466 0.08231 0.02483
2.12 -0.34927 0.12074 0.03915
2.2 -0.27422 0.16698 0.04768
2.28 -0.6456 0.20796 0.05078
2.36 -0.43464 0.19424 0.04079