Measurement E151M3590

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:	0.2313
Q²:	0.5925 GeV²
W:	1715.0 GeV
E_beam:	2.999 GeV
ε:	0.7804

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.85	66.0	0.2691	0.26	0.0305
0.85	186.0	-0.1099	0.2818	0.0301
0.85	210.0	0.2	0.2726	0.0303
0.85	246.0	-0.411	0.2236	0.0311
0.95	234.0	-0.7362	0.2109	0.0334
0.95	246.0	-0.7632	0.1853	0.0337
0.95	270.0	-0.7215	0.1831	0.0333
0.95	294.0	-0.0545	0.2556	0.03

CLAS Physics Database