Measurement E151M1187

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:	0.0514
Q²:	0.1205 GeV²
W:	1835.0 GeV
E_beam:	2.999 GeV
ε:	0.8239

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	54.0	1.8402	1.0435
0.65	282.0	0.0097	0.849
0.75	102.0	-0.7366	0.7512
0.75	198.0	1.9152	0.9055
0.75	210.0	-0.5325	0.818
0.75	258.0	-0.3966	0.8699
0.75	282.0	-0.6814	0.7832
0.85	90.0	0.9004	0.9884
0.85	102.0	1.3564	0.824
0.85	114.0	-0.5999	0.7373
0.85	126.0	1.1087	1.0972
0.85	186.0	0.8301	0.7314
0.85	198.0	-0.4184	0.6922
0.85	210.0	-0.1156	0.7174
0.85	222.0	-0.823	0.6725
0.85	234.0	0.7717	0.9834
0.95	210.0	0.4509	0.8465

CLAS Physics Database