Measurement E151M83

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:	0.0227
Q²:	0.0059 GeV²
W:	1325.0 GeV
E_beam:	1.0539 GeV
ε:	0.8444

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.45	42.0	-1.0285	0.6299	0.1208
0.55	246.0	0.4839	0.7831	0.0627
0.65	234.0	-0.0714	0.6131	0.0311
0.65	246.0	0.2113	0.5843	0.0384
0.65	258.0	-0.6321	0.6526	0.0779
0.75	234.0	1.0507	0.7419	0.1232
0.75	246.0	0.8623	0.715	0.1026
0.85	234.0	0.144	0.661	0.0342
0.85	246.0	-1.0171	0.5154	0.1195

CLAS Physics Database