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Measurement E195M168

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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′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 : 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 0 0
1.72 0.47509 0.77975 0.17197
1.8 -0.0412 0.18691 0.08701
1.88 -0.29688 0.1665 0.0659
1.96 -0.36782 0.19345 0.0751
2.04 -0.14538 0.2152 0.0832
2.12 0.26278 0.24253 0.09122
2.2 -0.78561 0.25029 0.08515
2.28 0.18886 0.26415 0.08382
2.36 0.1572 0.27254 0.08275