Measurement E151M737

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:	0.9513
Q²:	0.205 GeV²
W:	1235.0 GeV
E_beam:	2.2596 GeV
ε:	0.9516

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.75	282.0	-2.3188	1.7259
0.85	90.0	-0.4377	2.6441
0.55	282.0	0.0308	0.3958
0.65	270.0	0.2683	0.4383
0.65	294.0	0.5992	0.4681
0.75	282.0	-0.1227	0.3668
0.75	294.0	0.4619	0.4406
0.85	90.0	-0.6031	0.4396
0.85	102.0	-0.1249	0.4686
0.85	282.0	-0.2386	0.4312
0.95	102.0	0.0311	0.7158
0.95	114.0	0.5165	0.7589
0.95	126.0	-1.0668	0.622

CLAS Physics Database