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Measurement E195M88

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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: [0.5:1.0]

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 -0.13586 0.05767 0.02539
1.72 -0.15766 0.02738 0.0146
1.8 -0.14889 0.02663 0.01469
1.88 -0.22603 0.02928 0.01512
1.96 -0.19288 0.03286 0.01649
2.04 -0.1706 0.03667 0.01732
2.12 -0.24722 0.03798 0.01594
2.2 -0.20685 0.0398 0.01625
2.28 -0.21339 0.0436 0.01654
2.36 -0.2126 0.04574 0.01655