CLAS Physics Database

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Measurement E195M3

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Experiment: CLAS12 RG-K, 2022

Spokespersons: Daniel S. Carman

Measurement comment: P′_x' vs. W (integrated over Q², cos(θ_K^c.m.))
Coordinate system:
(x′,y′,z′), z′ along K⁺, y′ normal to hadronic plane, x′=y′ x z′

Publication:

D. S. Carman et al. (CLAS Collaboration) Beam-recoil transferred polarization in K + Y electroproduction in the nucleon resonance region with CLAS12 // https://journals.aps.org/prc/abstract/10.1103/PhysRevC.105.065201

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 :	0.3 — 3.5 GeV²
W :	1.6 — 2.4 GeV
E_beam :	6.535 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
1.6375	-0.21593	0.02969	0.02301
1.6625	-0.23338	0.02006	0.01709
1.6875	-0.16819	0.01609	0.01562
1.7125	-0.19572	0.01453	0.01522
1.7375	-0.20223	0.01424	0.01468
1.7625	-0.17881	0.01417	0.01507
1.7875	-0.19283	0.01432	0.01487
1.8125	-0.2239	0.01451	0.01583
1.8375	-0.22025	0.01462	0.01608
1.8625	-0.2142	0.01469	0.01667
1.8875	-0.22493	0.01488	0.01684
1.9125	-0.21919	0.01537	0.01789
1.9375	-0.2431	0.01566	0.01819
1.9625	-0.24972	0.01614	0.01823
1.9875	-0.25194	0.01683	0.01912
2.0125	-0.20202	0.01766	0.01987
2.0375	-0.19428	0.01855	0.02006
2.0625	-0.19745	0.01918	0.01978
2.0875	-0.16602	0.01983	0.0196
2.1125	-0.1936	0.02052	0.01952
2.1375	-0.19845	0.021	0.01948
2.1625	-0.22916	0.02152	0.01955
2.1875	-0.23382	0.02165	0.01923
2.2125	-0.21791	0.02227	0.01936
2.2375	-0.19898	0.02296	0.01931
2.2625	-0.21753	0.02369	0.01903
2.2875	-0.25064	0.02415	0.01937
2.3125	-0.21587	0.02494	0.01886
2.3375	-0.25875	0.02544	0.01891
2.3625	-0.35565	0.02604	0.01913
2.3875	-0.23982	0.02691	0.01873