Measurement E151M445

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:	0.0243
Q²:	0.0348 GeV²
W:	1595.0 GeV
E_beam:	1.3383 GeV
ε:	0.5722

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.65	210.0	0.2591	1.2982	0.0338
0.65	222.0	0.0605	1.0601	0.0302
0.75	222.0	-1.2599	0.6074	0.0816
0.75	234.0	1.3884	1.1356	0.0888
0.85	222.0	0.7403	1.2188	0.0537
0.85	234.0	0.9167	1.1723	0.0628
0.85	246.0	-0.7088	0.6395	0.0522
0.65	234.0	-0.2406	0.6431	0.0335
0.75	234.0	-0.7458	0.6618	0.0551
0.85	222.0	-0.2839	0.633	0.0348
0.85	234.0	0.4503	0.5906	0.041

CLAS Physics Database