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Measurement E195M81

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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: [1:0.4] GeV^2
cos(θKc.m.) bin: [-1.0:-0.5]

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 : 0.4 — 1 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 0.00454 0.06944 0.01497
1.72 -0.14934 0.04055 0.01599
1.8 -0.08581 0.03975 0.02043
1.88 -0.24253 0.03584 0.01999
1.96 -0.26869 0.03639 0.01981
2.04 -0.18181 0.04813 0.02425
2.12 -0.18662 0.06814 0.03093
2.2 -0.14582 0.0911 0.03813
2.28 0.03696 0.10234 0.03574
2.36 -0.08338 0.10864 0.03002