Measurement E151M924

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:	0.067
Q²:	0.101 GeV²
W:	1685.0 GeV
E_beam:	2.2596 GeV
ε:	0.7993

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.85	102.0	2.9912	2.2136	0.2777
0.85	126.0	-1.5068	2.0789	0.1423
0.85	210.0	1.0066	2.0155	0.0976
0.65	294.0	-0.1713	0.5492	0.032
0.85	114.0	0.866	0.7189	0.0643
0.85	234.0	0.791	0.7009	0.06

CLAS Physics Database