Measurement E151M440

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:	0.0106
Q²:	0.0143 GeV²
W:	1595.0 GeV
E_beam:	1.3383 GeV
ε:	0.5921

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.65	150.0	2.129	1.5257	0.1317
0.65	222.0	2.062	1.3596	0.1277
0.65	234.0	-1.4528	0.4865	0.0925
0.75	222.0	-0.7774	0.6752	0.0556
0.85	222.0	3.7088	3.7088	0.2253
0.35	42.0	-1.0782	0.659	0.0732
0.75	222.0	1.1844	0.5808	0.0792
0.85	150.0	-0.5837	0.7036	0.047
0.85	234.0	0.2509	0.6172	0.0338

CLAS Physics Database