Measurement E151M1071

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_UL
ε_L:	0.1019
Q²:	0.0844 GeV²
W:	1565.0 GeV
E_beam:	2.999 GeV
ε:	0.9364

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.75	114.0	-0.3758	0.8127	0.0407
0.75	126.0	0.345	0.9242	0.0392
0.85	222.0	0.921	1.0233	0.0737
0.85	234.0	1.3279	0.8787	0.1016

CLAS Physics Database