Measurement E151M3387

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:	1.3335
Q²:	0.2915 GeV²
W:	1205.0 GeV
E_beam:	2.999 GeV
ε:	0.9677

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	282.0	0.082	0.2179	0.03
0.55	282.0	-0.0161	0.2482	0.03
0.55	294.0	-0.1463	0.2101	0.0301
0.65	66.0	-0.1279	0.2627	0.0301
0.65	282.0	-0.0196	0.1976	0.03
0.65	294.0	0.1155	0.239	0.0301
0.75	66.0	0.1211	0.2128	0.0301
0.75	78.0	0.1971	0.2167	0.0303
0.75	90.0	-0.2852	0.2426	0.0305
0.75	270.0	0.1857	0.2601	0.0302
0.75	282.0	-0.2791	0.2091	0.0305
0.75	294.0	0.2507	0.2103	0.0304
0.85	54.0	-0.4272	0.2115	0.0312
0.85	66.0	0.2872	0.2093	0.0305
0.85	78.0	0.2152	0.2154	0.0303
0.85	90.0	0.0057	0.2282	0.03
0.85	102.0	-0.0774	0.2289	0.03
0.85	294.0	-0.4545	0.2152	0.0313
0.95	42.0	-0.025	0.2218	0.03
0.95	54.0	0.3174	0.2517	0.0307
0.95	66.0	-0.322	0.2255	0.0307
0.95	78.0	-0.2029	0.2457	0.0303
0.95	90.0	0.1159	0.2532	0.0301

CLAS Physics Database