Measurement E151M3137

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:	0.1061
Q²:	0.1715 GeV²
W:	1655.0 GeV
E_beam:	1.9889 GeV
ε:	0.7242

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	282.0	-0.0433	0.2828	0.03
0.65	294.0	0.4367	0.2687	0.0312
0.75	138.0	-0.2918	0.2755	0.0306
0.75	222.0	-0.5101	0.2136	0.0317
0.75	246.0	0.0056	0.2539	0.03
0.85	102.0	0.7389	0.1769	0.0334
0.85	114.0	0.113	0.2639	0.0301
0.85	210.0	0.0958	0.2847	0.0301
0.85	222.0	0.3676	0.2281	0.0309
0.85	234.0	-0.393	0.2396	0.031
0.85	246.0	-0.1214	0.2714	0.0301

CLAS Physics Database