CLAS Physics Database

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Measurement E195M15

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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 :	0.4 — 4.5 GeV²
W :	1.6 — 2.4 GeV
E_beam :	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
1.6375	-0.17553	0.04031	0.02284
1.6625	-0.14074	0.02842	0.01698
1.6875	-0.14949	0.02364	0.01535
1.7125	-0.1578	0.02136	0.01447
1.7375	-0.1323	0.02102	0.0148
1.7625	-0.15954	0.02128	0.01534
1.7875	-0.13998	0.02179	0.01496
1.8125	-0.15462	0.02228	0.01575
1.8375	-0.17046	0.02287	0.01609
1.8625	-0.19561	0.02296	0.01642
1.8875	-0.21156	0.02383	0.01771
1.9125	-0.20712	0.0249	0.01922
1.9375	-0.21679	0.0254	0.01957
1.9625	-0.17572	0.02643	0.01975
1.9875	-0.20673	0.02752	0.01992
2.0125	-0.13587	0.0289	0.02045
2.0375	-0.18756	0.03002	0.02038
2.0625	-0.15272	0.03114	0.02068
2.0875	-0.19282	0.03209	0.0205
2.1125	-0.20008	0.03307	0.0204
2.1375	-0.11831	0.03437	0.02046
2.1625	-0.14475	0.03507	0.01962
2.1875	-0.28919	0.03597	0.01976
2.2125	-0.19692	0.03693	0.01986
2.2375	-0.19617	0.0377	0.01994
2.2625	-0.16543	0.03885	0.01946
2.2875	-0.26689	0.0395	0.01906
2.3125	-0.12823	0.04061	0.01967
2.3375	-0.27429	0.0419	0.01968
2.3625	-0.17116	0.04195	0.01898
2.3875	-0.25792	0.04242	0.01896