Measurement E151M1130

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:	0.2167
Q²:	0.4155 GeV²
W:	1685.0 GeV
E_beam:	2.999 GeV
ε:	0.8348

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	102.0	0.0772	0.7086
0.55	306.0	0.4658	0.7804
0.65	102.0	-0.8767	0.6462
0.65	114.0	-1.156	0.587
0.65	222.0	0.2913	0.786
0.75	78.0	-0.7831	0.6386
0.75	222.0	1.421	0.897
0.75	234.0	1.9165	0.8857
0.85	66.0	0.4638	0.6293
0.85	78.0	-0.4888	0.601
0.85	90.0	-0.0493	0.767
0.85	198.0	0.6634	0.8267
0.85	210.0	1.765	0.8225
0.85	222.0	0.0884	0.6456
0.85	234.0	0.2366	0.6677
0.85	246.0	0.2491	0.5496
0.85	258.0	-0.1155	0.5707
0.85	270.0	0.2024	0.6607
0.95	198.0	0.1918	0.6481
0.95	210.0	-0.4026	0.6016
0.95	222.0	0.1933	0.6075
0.95	234.0	0.2667	0.5676
0.95	246.0	0.4938	0.6459
0.95	258.0	-0.245	0.5173
0.95	270.0	-0.2	0.547
0.95	282.0	0.158	0.5253
0.95	294.0	0.4928	0.7012

CLAS Physics Database