Measurement E151M3081

Experiment:	EG4
Year:	2016	Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson:	Xiaochao Zheng
Reaction:	ep → π⁺n
Polarization:	beam (longitudinal), target (longitudinal)
Quantity:	A_LU
ε_L:	0.0344
Q²:	0.0291 GeV²
W:	1565.0 GeV
E_beam:	1.9889 GeV
ε:	0.8567

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	78.0	-0.2203	0.2367	0.0303
0.35	270.0	0.2106	0.2494	0.0303
0.35	282.0	0.0963	0.2443	0.0301
0.45	78.0	0.037	0.249	0.03
0.45	270.0	-0.1986	0.2585	0.0303
0.55	90.0	-0.6031	0.2145	0.0323
0.55	138.0	-0.143	0.2893	0.0301
0.55	222.0	-0.6441	0.185	0.0326
0.55	270.0	0.2583	0.2649	0.0304
0.55	282.0	-0.1639	0.2386	0.0302
0.65	126.0	-0.146	0.2607	0.0301
0.65	138.0	-0.1347	0.1924	0.0301
0.65	198.0	-0.094	0.2667	0.0301
0.65	210.0	0.0435	0.2111	0.03
0.65	222.0	0.2829	0.2296	0.0305
0.65	270.0	0.4625	0.233	0.0314
0.75	78.0	0.2571	0.2492	0.0304
0.75	126.0	0.4848	0.2401	0.0315
0.75	138.0	-0.196	0.245	0.0303
0.75	210.0	-0.1666	0.2125	0.0302
0.75	222.0	0.1602	0.2483	0.0302
0.75	234.0	-0.0834	0.2438	0.03
0.75	270.0	-0.2346	0.2682	0.0304
0.75	282.0	-0.093	0.2411	0.0301
0.85	114.0	-0.065	0.2501	0.03
0.85	126.0	0.0914	0.2491	0.0301
0.85	210.0	0.2063	0.2119	0.0303
0.85	222.0	0.3062	0.2566	0.0306
0.85	234.0	-0.0887	0.2191	0.0301

CLAS Physics Database