Measurement E151M1057

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:	0.4643
Q²:	0.5925 GeV²
W:	1505.0 GeV
E_beam:	2.999 GeV
ε:	0.8698

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	90.0	-0.741	0.612	0.0619
0.65	78.0	1.136	0.8737	0.0883
0.65	90.0	-0.7519	0.608	0.0626
0.65	114.0	-0.3085	0.7827	0.0375
0.75	90.0	-0.1948	0.7235	0.0332
0.75	114.0	-1.3266	0.555	0.1015
0.75	246.0	0.3103	0.7901	0.0376
0.75	270.0	0.6119	0.8123	0.0539
0.85	54.0	0.0754	0.8188	0.0305
0.85	102.0	-0.7169	0.649	0.0604
0.85	222.0	1.0315	0.8026	0.0811
0.85	234.0	1.4156	0.8093	0.1077
0.85	246.0	0.1815	0.7818	0.0328
0.85	270.0	-0.5973	0.6047	0.053
0.85	282.0	1.0894	0.81	0.0851
0.85	294.0	0.7322	0.6768	0.0614
0.85	306.0	-0.1586	0.7061	0.0322
0.95	294.0	-0.0063	0.5548	0.03
0.95	306.0	-0.0883	0.6091	0.0307

CLAS Physics Database