Measurement E151M703

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:	0.061
Q²:	0.101 GeV²
W:	1685.0 GeV
E_beam:	1.9889 GeV
ε:	0.728

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.65	126.0	-0.2129	0.5774	0.0327
0.75	222.0	-0.3719	0.5834	0.0376
0.75	234.0	1.2298	0.5285	0.081
0.75	282.0	-0.5268	0.4423	0.044
0.85	102.0	-0.2738	0.6172	0.0344
0.85	114.0	-0.4232	0.5475	0.0396
0.85	198.0	-0.0601	0.6049	0.0302
0.85	210.0	0.5827	0.5408	0.0466
0.85	222.0	1.0632	0.6069	0.0716

CLAS Physics Database