Measurement E151M1094

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:	0.3207
Q²:	0.496 GeV²
W:	1595.0 GeV
E_beam:	2.999 GeV
ε:	0.8562

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	102.0	0.2066	0.9384	0.0336
0.65	90.0	-0.2162	0.8663	0.0339
0.65	102.0	0.5136	0.9259	0.0481
0.65	246.0	1.5568	0.9614	0.1177
0.75	102.0	-0.2494	0.7666	0.0351
0.75	234.0	0.4891	0.9687	0.0467
0.75	246.0	0.8875	0.8654	0.0715
0.85	54.0	1.0453	0.8927	0.0821
0.85	66.0	-0.2481	0.7046	0.0351
0.85	222.0	-0.3842	0.8155	0.0411
0.85	234.0	0.5066	0.8211	0.0477
0.85	246.0	1.8223	0.8665	0.1365
0.85	258.0	-0.6202	0.5515	0.0544
0.85	270.0	0.9131	0.7792	0.0732
0.85	282.0	1.0848	0.9418	0.0848
0.95	246.0	0.4382	0.8797	0.0439
0.95	258.0	1.3697	0.9462	0.1045
0.95	270.0	0.4102	0.7071	0.0424
0.95	282.0	-0.878	0.6177	0.0708
0.95	294.0	0.0957	0.6698	0.0308
0.95	306.0	-0.5689	0.5485	0.0513
0.95	318.0	0.3719	0.7183	0.0405

CLAS Physics Database