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
0.55	102.0	0.2066	0.9384
0.65	90.0	-0.2162	0.8663
0.65	102.0	0.5136	0.9259
0.65	246.0	1.5568	0.9614
0.75	102.0	-0.2494	0.7666
0.75	234.0	0.4891	0.9687
0.75	246.0	0.8875	0.8654
0.85	54.0	1.0453	0.8927
0.85	66.0	-0.2481	0.7046
0.85	222.0	-0.3842	0.8155
0.85	234.0	0.5066	0.8211
0.85	246.0	1.8223	0.8665
0.85	258.0	-0.6202	0.5515
0.85	270.0	0.9131	0.7792
0.85	282.0	1.0848	0.9418
0.95	246.0	0.4382	0.8797
0.95	258.0	1.3697	0.9462
0.95	270.0	0.4102	0.7071
0.95	282.0	-0.878	0.6177
0.95	294.0	0.0957	0.6698
0.95	306.0	-0.5689	0.5485
0.95	318.0	0.3719	0.7183

CLAS Physics Database