Measurement E151M1166

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:	0.0986
Q²:	0.205 GeV²
W:	1775.0 GeV
E_beam:	2.999 GeV
ε:	0.8368

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.65	210.0	-0.4522	0.897	0.0446
0.65	282.0	-0.9621	0.6425	0.0765
0.65	294.0	-0.406	0.7553	0.0422
0.75	90.0	0.7545	1.0117	0.0628
0.75	198.0	2.1242	1.0599	0.1581
0.75	210.0	-0.775	0.8491	0.0641
0.75	222.0	1.1384	0.9203	0.0884
0.75	234.0	0.2193	0.9678	0.034
0.85	78.0	-0.5872	0.7756	0.0524
0.85	90.0	-0.9163	0.6706	0.0734
0.85	102.0	-0.8851	0.7792	0.0713
0.85	114.0	-0.2734	0.7944	0.036
0.85	186.0	0.341	0.9168	0.039
0.85	198.0	-0.2517	0.7203	0.0352
0.85	210.0	0.565	0.8426	0.051
0.85	222.0	0.3787	0.7963	0.0408
0.85	234.0	0.047	0.7834	0.0302
0.85	246.0	-0.3049	0.812	0.0374
0.95	186.0	-0.6573	0.8062	0.0566
0.95	198.0	-1.0029	0.7227	0.0792
0.95	210.0	-1.2403	0.6407	0.0955
0.95	222.0	-0.4917	0.7777	0.0468
0.95	234.0	0.9537	0.9068	0.0759
0.95	246.0	0.602	0.7448	0.0533

CLAS Physics Database