Measurement E151M675

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:	0.0691
Q²:	0.0844 GeV²
W:	1625.0 GeV
E_beam:	1.9889 GeV
ε:	0.7903

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.45	270.0	0.212	0.7976	0.0327
0.55	126.0	-0.0573	0.7564	0.0302
0.55	270.0	1.0612	0.7484	0.0715
0.55	282.0	1.7322	0.7679	0.1101
0.65	126.0	0.6054	0.7276	0.0477
0.65	138.0	-1.1673	0.6547	0.0774
0.65	222.0	0.6869	0.7595	0.0516
0.65	294.0	2.683	2.683	0.1668
0.75	138.0	-2.2033	0.43	0.1381
0.75	198.0	1.1195	0.7589	0.0748
0.75	210.0	0.1963	0.6979	0.0323
0.75	222.0	1.0546	0.6471	0.0711
0.75	270.0	-0.0001	0.6889	0.03
0.75	282.0	0.1498	0.6817	0.0314
0.75	294.0	-0.3671	0.7068	0.0375
0.85	102.0	-0.5627	0.7172	0.0457
0.85	114.0	0.6909	0.7133	0.0518
0.85	198.0	-0.506	0.7162	0.0431
0.85	210.0	0.7674	0.7993	0.0557
0.85	222.0	0.2739	0.7095	0.0344
0.85	234.0	0.7047	0.7271	0.0525
0.95	222.0	-1.1417	0.5165	0.076

CLAS Physics Database