Measurement E151M59

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:	0.5631
Q²:	0.1715 GeV²
W:	1265.0 GeV
E_beam:	1.0539 GeV
ε:	0.7407

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.05	42.0	-0.3774	0.6686
0.35	282.0	-0.1808	0.6053
0.45	270.0	0.9641	0.5622
0.45	282.0	-0.2386	0.5888
0.55	270.0	0.5755	0.5172
0.55	282.0	-0.438	0.4976
0.55	294.0	0.0102	0.6088
0.65	246.0	-0.0574	0.5161
0.65	258.0	0.1431	0.4898
0.65	270.0	0.0243	0.4212
0.65	282.0	0.855	0.5658
0.65	294.0	-0.2667	0.482
0.75	126.0	0.1701	0.6217
0.75	138.0	0.5293	0.6517
0.75	150.0	0.709	0.7273
0.75	246.0	0.3857	0.6024
0.75	258.0	0.0	0.4718
0.75	270.0	-0.6457	0.4579
0.75	282.0	-0.7512	0.389
0.75	294.0	-0.558	0.4595
0.85	114.0	0.0794	0.5381
0.85	126.0	0.8026	0.5349
0.85	138.0	0.3172	0.5038
0.85	150.0	-0.7366	0.4799
0.85	162.0	0.6236	0.5413
0.85	174.0	-0.2058	0.5774
0.85	186.0	-0.4837	0.5081
0.85	198.0	0.1086	0.5702
0.85	258.0	1.0328	0.5804
0.85	270.0	-0.3458	0.4114
0.85	282.0	0.1066	0.4411
0.85	294.0	-0.431	0.5063
0.95	66.0	0.4123	0.5575
0.95	114.0	0.784	0.551
0.95	126.0	-0.3538	0.4003
0.95	138.0	0.6131	0.4663
0.95	150.0	-0.4686	0.3956
0.95	162.0	-0.038	0.4842
0.95	174.0	0.8863	0.4153
0.95	186.0	0.0522	0.471
0.95	198.0	-0.1039	0.46

CLAS Physics Database