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
0.45	270.0	0.212	0.7976
0.55	126.0	-0.0573	0.7564
0.55	270.0	1.0612	0.7484
0.55	282.0	1.7322	0.7679
0.65	126.0	0.6054	0.7276
0.65	138.0	-1.1673	0.6547
0.65	222.0	0.6869	0.7595
0.65	294.0	2.683	2.683
0.75	138.0	-2.2033	0.43
0.75	198.0	1.1195	0.7589
0.75	210.0	0.1963	0.6979
0.75	222.0	1.0546	0.6471
0.75	270.0	-0.0001	0.6889
0.75	282.0	0.1498	0.6817
0.75	294.0	-0.3671	0.7068
0.85	102.0	-0.5627	0.7172
0.85	114.0	0.6909	0.7133
0.85	198.0	-0.506	0.7162
0.85	210.0	0.7674	0.7993
0.85	222.0	0.2739	0.7095
0.85	234.0	0.7047	0.7271
0.95	222.0	-1.1417	0.5165

CLAS Physics Database