Measurement E151M3123

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:	0.1217
Q²:	0.1715 GeV²
W:	1625.0 GeV
E_beam:	1.9889 GeV
ε:	0.7519

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	114.0	0.0495	0.2569	0.03
0.65	126.0	0.0802	0.2597	0.03
0.65	210.0	0.2604	0.2771	0.0304
0.65	294.0	-0.0044	0.2682	0.03
0.75	126.0	-0.1959	0.2651	0.0303
0.75	138.0	-0.0611	0.2805	0.03
0.75	234.0	-0.1141	0.2724	0.0301
0.75	246.0	-0.1436	0.2922	0.0301
0.75	294.0	0.161	0.2642	0.0302
0.85	90.0	0.0974	0.2819	0.0301
0.85	102.0	0.5163	0.2005	0.0317
0.85	222.0	0.2796	0.231	0.0305
0.85	234.0	-0.021	0.228	0.03
0.85	246.0	0.052	0.2365	0.03
0.85	258.0	0.4136	0.2422	0.0311
0.95	234.0	-0.2801	0.2558	0.0305
0.95	246.0	-0.5337	0.2276	0.0318

CLAS Physics Database