Measurement E151M683

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:	0.0227
Q²:	0.0291 GeV²
W:	1655.0 GeV
E_beam:	1.9889 GeV
ε:	0.7891

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	78.0	-0.1546	0.6157
0.35	282.0	0.3503	0.7068
0.45	18.0	0.842	0.7964
0.45	258.0	0.5581	0.6356
0.45	270.0	-1.6339	0.3966
0.45	282.0	0.5587	0.7436
0.55	78.0	0.5457	0.729
0.55	126.0	-1.1859	0.4826
0.55	210.0	1.2716	0.7215
0.55	258.0	0.3994	0.6927
0.55	270.0	-0.1284	0.5725
0.55	282.0	0.827	0.6995
0.65	126.0	-0.1059	0.6662
0.65	138.0	-0.6536	0.6045
0.65	150.0	0.1142	0.7645
0.65	210.0	0.1773	0.6848
0.65	222.0	1.143	0.739
0.65	294.0	0.0292	0.7035
0.75	66.0	0.065	0.7478
0.75	126.0	-0.8241	0.589
0.75	210.0	1.8722	0.7408
0.75	222.0	2.2058	2.2058
0.75	234.0	1.4609	0.6445
0.75	258.0	0.7878	0.6571
0.75	270.0	-0.7002	0.4435
0.75	282.0	-0.8763	0.5032
0.85	114.0	-0.2794	0.5446
0.85	126.0	0.1286	0.5734
0.85	198.0	-0.2259	0.6888
0.85	210.0	-0.5657	0.4906
0.85	222.0	0.6291	0.6618
0.85	234.0	0.5302	0.682
0.85	258.0	-0.0195	0.6583

CLAS Physics Database