Measurement E151M3431

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:	0.8865
Q²:	0.5925 GeV²
W:	1325.0 GeV
E_beam:	2.999 GeV
ε:	0.9152

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	78.0	-0.4262	0.2367	0.0312
0.55	282.0	-0.1889	0.2562	0.0302
0.65	90.0	0.3241	0.2502	0.0307
0.65	282.0	0.094	0.2632	0.0301
0.75	66.0	-0.0805	0.2467	0.03
0.75	78.0	-0.09	0.2551	0.0301
0.75	258.0	-0.1207	0.2227	0.0301
0.75	282.0	0.1267	0.2066	0.0301
0.75	294.0	0.296	0.2185	0.0306
0.75	306.0	-0.065	0.2809	0.03
0.85	66.0	0.2402	0.2441	0.0304
0.85	78.0	-0.2135	0.2351	0.0303
0.85	90.0	-0.4607	0.2093	0.0314
0.85	102.0	0.0147	0.2532	0.03
0.85	114.0	-0.1309	0.2885	0.0301
0.85	234.0	0.2377	0.247	0.0304
0.85	258.0	-0.2139	0.2454	0.0303
0.85	270.0	-0.0943	0.2321	0.0301
0.85	282.0	0.0892	0.2407	0.0301
0.85	294.0	0.0401	0.2569	0.03
0.85	306.0	-0.1692	0.2692	0.0302
0.85	318.0	-0.034	0.2754	0.03
0.85	330.0	0.1655	0.2578	0.0302
0.95	234.0	-0.1108	0.2806	0.0301
0.95	246.0	0.3054	0.2454	0.0306
0.95	258.0	0.0201	0.2659	0.03
0.95	270.0	-0.0737	0.2738	0.03

CLAS Physics Database