Measurement E151M1161

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_UL
ε_L:	0.0463
Q²:	0.0844 GeV²
W:	1775.0 GeV
E_beam:	2.999 GeV
ε:	0.8627

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	102.0	-0.3502	0.8993	0.0394
0.55	114.0	-0.2038	0.8563	0.0335
0.55	126.0	-0.6152	0.9117	0.0541
0.55	198.0	0.4735	0.9924	0.0458
0.55	258.0	0.1857	0.943	0.0329
0.55	270.0	1.3002	0.9387	0.0997
0.65	114.0	-0.3374	0.8835	0.0388
0.65	126.0	-0.1713	0.7333	0.0325
0.65	138.0	-0.3499	0.9506	0.0394
0.65	174.0	0.7936	1.0718	0.0653
0.65	186.0	1.791	1.04	0.1343
0.65	198.0	-0.6929	0.7926	0.0589
0.65	210.0	0.9613	0.8915	0.0764
0.65	270.0	1.0982	1.0412	0.0857
0.65	282.0	-0.6053	0.6938	0.0535
0.75	90.0	1.0068	1.0285	0.0795
0.75	102.0	1.656	1.0195	0.1247
0.75	114.0	-1.6028	0.6419	0.1209
0.75	126.0	1.0495	1.0317	0.0824
0.75	186.0	-0.8094	0.6999	0.0663
0.75	198.0	-0.2526	0.7118	0.0352
0.75	210.0	-0.5118	0.8228	0.048
0.75	222.0	0.2161	0.7789	0.0339
0.75	234.0	-0.1163	0.8384	0.0312
0.75	270.0	-0.1763	0.6513	0.0326
0.75	282.0	-1.4521	0.5376	0.1103
0.85	90.0	0.5164	0.9696	0.0482
0.85	102.0	-0.2939	0.579	0.0369
0.85	114.0	-1.2009	0.5035	0.0928
0.85	126.0	1.3772	0.9612	0.105
0.85	138.0	-0.9618	0.8104	0.0764
0.85	174.0	-0.6341	0.7854	0.0552
0.85	186.0	0.167	0.6518	0.0324
0.85	198.0	-0.4482	0.667	0.0444
0.85	210.0	0.535	0.6956	0.0493
0.85	222.0	0.0336	0.6411	0.0301
0.85	234.0	-0.9408	0.7151	0.075
0.85	270.0	-0.5735	0.6844	0.0515
0.85	282.0	0.4065	0.9078	0.0422
0.95	198.0	-0.3099	0.86	0.0376
0.95	210.0	-0.2323	0.7536	0.0345

CLAS Physics Database