Measurement E151M660

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:	0.0922
Q²:	0.101 GeV²
W:	1595.0 GeV
E_beam:	1.9889 GeV
ε:	0.8071

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	270.0	1.3871	0.7968
0.65	114.0	0.3399	0.7906
0.65	126.0	0.534	0.773
0.65	138.0	-0.2619	0.7746
0.65	210.0	1.4958	0.7904
0.65	222.0	0.3581	0.7504
0.65	282.0	-0.3717	0.7228
0.65	294.0	0.8715	0.8788
0.75	114.0	-1.3285	0.6108
0.75	126.0	-1.0322	0.6742
0.75	138.0	-0.2041	0.7664
0.75	210.0	0.3682	0.7637
0.75	222.0	0.7879	0.7509
0.75	234.0	-0.5062	0.6743
0.75	282.0	0.7159	0.689
0.75	294.0	1.9929	0.6836
0.85	102.0	-0.0931	0.6615
0.85	114.0	0.0364	0.731
0.85	210.0	-0.1968	0.5933
0.85	222.0	1.0333	0.6952
0.85	234.0	-0.5274	0.5255
0.85	246.0	0.9968	0.6551
0.95	126.0	-1.9474	0.3924
0.95	234.0	-0.2477	0.6437
0.95	246.0	-1.1431	0.5129

CLAS Physics Database