Measurement E151M210

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:	0.8044
Q²:	0.1205 GeV²
W:	1205.0 GeV
E_beam:	1.3383 GeV
ε:	0.9081

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	282.0	0.6865	0.7765
0.45	294.0	-0.4261	0.5419
0.55	270.0	-0.0835	0.5749
0.55	282.0	-0.8843	0.3009
0.55	294.0	-0.4694	0.4798
0.65	270.0	0.7634	0.7571
0.65	282.0	0.058	0.5735
0.75	270.0	0.4258	0.7913
0.75	282.0	-0.4155	0.4314
0.85	102.0	0.4691	0.8683
0.95	114.0	0.0979	0.638
0.95	126.0	-0.0337	0.551
0.95	138.0	0.0745	0.6334
0.95	150.0	0.4686	0.7457
0.95	198.0	0.0631	0.5901
0.35	294.0	-0.3756	0.4522
0.45	282.0	0.4745	0.4211
0.55	270.0	0.1609	0.382
0.55	282.0	-0.0157	0.3882
0.55	294.0	-0.1371	0.4424
0.65	270.0	0.2983	0.3549
0.65	282.0	-0.4009	0.3568
0.75	258.0	0.9529	0.4562
0.75	270.0	-0.0629	0.4179
0.75	282.0	-0.3549	0.3686
0.85	102.0	-0.8033	0.4397
0.85	126.0	0.5752	0.4861
0.95	114.0	-0.2892	0.3716
0.95	126.0	0.2338	0.4119
0.95	138.0	-0.7055	0.324
0.95	150.0	-0.7698	0.328
0.95	162.0	-0.0981	0.4026
0.95	186.0	0.563	0.3275

CLAS Physics Database