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
0.55	90.0	-0.741	0.612
0.65	78.0	1.136	0.8737
0.65	90.0	-0.7519	0.608
0.65	114.0	-0.3085	0.7827
0.75	90.0	-0.1948	0.7235
0.75	114.0	-1.3266	0.555
0.75	246.0	0.3103	0.7901
0.75	270.0	0.6119	0.8123
0.85	54.0	0.0754	0.8188
0.85	102.0	-0.7169	0.649
0.85	222.0	1.0315	0.8026
0.85	234.0	1.4156	0.8093
0.85	246.0	0.1815	0.7818
0.85	270.0	-0.5973	0.6047
0.85	282.0	1.0894	0.81
0.85	294.0	0.7322	0.6768
0.85	306.0	-0.1586	0.7061
0.95	294.0	-0.0063	0.5548
0.95	306.0	-0.0883	0.6091

CLAS Physics Database