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Measurement E195M99

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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: [0.0:0.5]

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 0.16888 0.05139 0.01799
1.72 0.09707 0.03018 0.01695
1.8 0.09709 0.03138 0.01952
1.88 0.09139 0.03551 0.02504
1.96 0.05776 0.03814 0.02399
2.04 0.00671 0.0401 0.02338
2.12 0.1341 0.04414 0.02392
2.2 0.11625 0.04952 0.0226
2.28 0.03038 0.05728 0.02043
2.36 0.08437 0.06877 0.02037