Measurement E151M140

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:	0.1594
Q²:	0.0844 GeV²
W:	1385.0 GeV
E_beam:	1.0539 GeV
ε:	0.6751

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	42.0	1.5122	0.7714
0.55	234.0	-0.6353	0.7614
0.55	246.0	-0.1717	0.7724
0.55	258.0	0.2035	0.6619
0.65	150.0	0.9243	0.9018
0.65	234.0	0.6001	0.724
0.65	246.0	-0.7171	0.5813
0.65	258.0	0.3404	0.65
0.65	270.0	-0.8529	0.6399
0.75	138.0	1.6256	0.9117
0.75	150.0	0.4423	0.8078
0.75	162.0	-1.2986	0.7065
0.75	174.0	0.4777	0.8132
0.75	234.0	-0.5779	0.6737
0.75	246.0	0.2518	0.6167
0.75	258.0	1.0633	0.6194
0.75	270.0	-1.0814	0.5208
0.85	126.0	-0.2641	0.8438
0.85	138.0	-1.4446	0.6864
0.85	150.0	-0.5291	0.7886
0.85	162.0	0.4263	0.8828
0.85	174.0	0.543	0.7551
0.85	234.0	0.3667	0.6938
0.85	246.0	-0.5788	0.4973
0.85	258.0	0.0075	0.5792
0.85	270.0	0.4764	0.4833
0.85	282.0	0.9975	0.6152
0.95	258.0	0.1043	0.5494
0.95	270.0	2.2155	2.2155

CLAS Physics Database