Measurement E151M669

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:	0.0261
Q²:	0.0291 GeV²
W:	1625.0 GeV
E_beam:	1.9889 GeV
ε:	0.8139

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.35	78.0	0.6224	0.8082	0.0485
0.45	78.0	-0.271	0.7485	0.0343
0.45	90.0	2.9673	2.9673	0.184
0.45	138.0	-0.6282	0.7229	0.0487
0.45	270.0	1.0059	0.7669	0.0684
0.45	282.0	0.6466	0.8145	0.0496
0.55	78.0	0.0885	0.7121	0.0305
0.55	198.0	1.9873	0.9016	0.1252
0.55	210.0	-0.8554	0.5688	0.0603
0.55	270.0	0.1289	0.5919	0.031
0.55	282.0	-0.4877	0.6742	0.0423
0.65	126.0	0.1228	0.6894	0.0309
0.65	138.0	-0.7638	0.581	0.0555
0.65	150.0	-1.025	0.6923	0.0695
0.65	210.0	1.193	0.8397	0.0789
0.65	222.0	-0.5979	0.6252	0.0473
0.65	282.0	-0.0732	0.6954	0.0303
0.75	66.0	0.3182	0.7542	0.0358
0.75	78.0	0.6543	0.7826	0.05
0.75	210.0	0.7046	0.6521	0.0525
0.75	222.0	0.7236	0.6432	0.0535
0.75	270.0	-0.5428	0.5243	0.0447
0.75	282.0	-0.3812	0.5712	0.038
0.75	294.0	1.2115	0.7895	0.0799
0.85	114.0	0.3712	0.6983	0.0376
0.85	126.0	-0.0519	0.5416	0.0302
0.85	138.0	-1.1515	0.5581	0.0765
0.85	198.0	2.2808	0.6878	0.1427
0.85	210.0	-0.0942	0.6266	0.0305
0.85	222.0	-0.3128	0.5911	0.0356

CLAS Physics Database