Measurement E151M3644

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:	0.0625
Q²:	0.1715 GeV²
W:	1865.0 GeV
E_beam:	2.999 GeV
ε:	0.7939

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	282.0	0.165	0.2684	0.0302
0.85	90.0	-0.1647	0.2745	0.0302
0.85	102.0	-0.1928	0.2386	0.0302
0.85	114.0	-0.0163	0.2493	0.03
0.85	198.0	-0.1573	0.2235	0.0302
0.85	210.0	-0.0661	0.2773	0.03
0.85	222.0	-0.144	0.2604	0.0301

CLAS Physics Database