Measurement E151M635

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:	0.2542
Q²:	0.2915 GeV²
W:	1535.0 GeV
E_beam:	1.9889 GeV
ε:	0.7733

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	114.0	-0.3544	0.75
0.75	102.0	-1.2292	0.6305
0.75	246.0	0.3104	0.7642
0.75	258.0	1.5678	0.939
0.85	234.0	2.0276	0.7449
0.85	246.0	-0.2012	0.609
0.85	258.0	-0.1559	0.6344
0.95	78.0	0.4674	0.7591
0.95	258.0	0.4236	0.7207
0.95	270.0	0.6216	0.6962
0.95	282.0	0.1819	0.5635
0.95	294.0	0.6332	0.6917

CLAS Physics Database