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Measurement E195M86

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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: [-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+ Λ, polarization: polarized

Q2 : 1 — 4.5 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 -0.28801 0.06381 0.01776
1.72 -0.19646 0.03627 0.01475
1.8 -0.12767 0.03934 0.01621
1.88 -0.21817 0.04576 0.01914
1.96 -0.24888 0.06251 0.02498
2.04 -0.12859 0.08506 0.03088
2.12 0.20143 0.11436 0.03957
2.2 -0.13399 0.14173 0.03688
2.28 -0.19724 0.20311 0.04389
2.36 -0.3103 0.29993 0.04894