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Measurement E195M97

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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′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 : 0.4 — 1 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 -0.01744 0.07045 0.01497
1.72 -0.03818 0.04292 0.01599
1.8 -0.04781 0.04309 0.02043
1.88 -0.06877 0.03859 0.01999
1.96 -0.0887 0.03923 0.01981
2.04 -0.0879 0.05114 0.02425
2.12 -0.16669 0.07098 0.03093
2.2 0.00925 0.09159 0.03813
2.28 -0.2767 0.10067 0.03574
2.36 -0.31894 0.10676 0.03002