CLAS Physics Database

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Measurement E195M6

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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 virtual photon direction, y normal to electron scattering 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	0.02981	0.02981	0.02301
1.6625	0.0458	0.02056	0.01709
1.6875	-0.01492	0.01657	0.01562
1.7125	-0.01695	0.01483	0.01522
1.7375	0.014	0.01446	0.01468
1.7625	-0.00935	0.01445	0.01507
1.7875	-0.04199	0.01466	0.01487
1.8125	-0.0118	0.01486	0.01583
1.8375	-0.02438	0.01506	0.01608
1.8625	0.00301	0.01509	0.01667
1.8875	-0.0212	0.01528	0.01684
1.9125	0.00726	0.01562	0.01789
1.9375	-0.02485	0.01592	0.01819
1.9625	0.00724	0.01653	0.01823
1.9875	0.01162	0.01716	0.01912
2.0125	0.00715	0.01805	0.01987
2.0375	-0.04029	0.01879	0.02006
2.0625	0.02016	0.01942	0.01978
2.0875	-0.01888	0.02012	0.0196
2.1125	0.02098	0.02052	0.01952
2.1375	-0.0308	0.02125	0.01948
2.1625	-0.0037	0.02165	0.01955
2.1875	-0.01431	0.02216	0.01923
2.2125	-0.02031	0.02254	0.01936
2.2375	-0.0254	0.0232	0.01931
2.2625	-0.02626	0.02392	0.01903
2.2875	0.01744	0.02455	0.01937
2.3125	0.01935	0.02544	0.01886
2.3375	-0.02633	0.02599	0.01891
2.3625	0.01648	0.02665	0.01913
2.3875	0.01354	0.02771	0.01873