Measurement E151M3144

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:	0.0383
Q²:	0.0593 GeV²
W:	1685.0 GeV
E_beam:	1.9889 GeV
ε:	0.7478

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	78.0	0.2105	0.2658	0.0303
0.45	270.0	-0.1324	0.2244	0.0301
0.45	282.0	0.4434	0.2343	0.0313
0.55	114.0	-0.5755	0.2118	0.0321
0.55	126.0	-0.6211	0.2046	0.0325
0.55	198.0	-0.0412	0.2599	0.03
0.55	222.0	0.1378	0.2953	0.0301
0.65	114.0	0.059	0.2816	0.03
0.65	138.0	-0.1645	0.244	0.0302
0.65	210.0	0.3166	0.2438	0.0307
0.65	222.0	-0.2089	0.2539	0.0303
0.65	294.0	0.1543	0.2708	0.0302
0.75	66.0	-0.0303	0.2761	0.03
0.75	198.0	0.2544	0.2315	0.0304
0.75	210.0	0.0301	0.249	0.03
0.75	222.0	-0.3396	0.2407	0.0308
0.75	234.0	-0.0686	0.2886	0.03
0.75	270.0	-0.0756	0.2433	0.03
0.75	282.0	0.2736	0.2022	0.0305
0.75	294.0	-0.1296	0.288	0.0301
0.85	102.0	0.01	0.2692	0.03
0.85	114.0	-0.0369	0.2594	0.03
0.85	126.0	0.0339	0.2651	0.03
0.85	198.0	0.4599	0.2581	0.0314
0.85	210.0	-0.0719	0.2492	0.03
0.85	222.0	-0.3183	0.2284	0.0307

CLAS Physics Database