Measurement E151M922

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:	0.049
Q²:	0.0707 GeV²
W:	1685.0 GeV
E_beam:	2.2596 GeV
ε:	0.81

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.45	270.0	0.7074	0.5998	0.0553
0.65	78.0	0.4505	0.5934	0.0421
0.65	126.0	-0.7793	0.4921	0.0593
0.65	210.0	0.5404	0.6975	0.0464
0.75	210.0	0.6777	0.6674	0.0536
0.75	234.0	1.3794	0.6661	0.0954
0.75	270.0	0.9267	0.5994	0.0678
0.75	282.0	-0.1001	0.5496	0.0307
0.85	102.0	-0.6517	0.5803	0.0522
0.85	114.0	-0.3308	0.5663	0.037
0.85	126.0	-0.3405	0.6688	0.0374
0.85	210.0	-0.4915	0.6752	0.044
0.85	222.0	-0.083	0.6312	0.0305
0.45	282.0	-0.9339	1.2882	0.0913
0.65	126.0	0.1554	1.7187	0.0333
0.65	198.0	0.7819	1.8013	0.0782
0.75	210.0	-3.0046	1.41	0.2789
0.75	234.0	-0.4239	1.6047	0.0493
0.75	270.0	1.3681	1.6973	0.1298
0.75	282.0	1.4022	1.2975	0.1328
0.75	294.0	-0.1779	1.5794	0.0342
0.85	102.0	-0.0482	1.9857	0.0303
0.85	114.0	3.7983	1.8663	0.3518
0.85	210.0	1.0311	2.0773	0.0998

CLAS Physics Database