Measurement E151M946

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:	1.4496
Q²:	0.496 GeV²
W:	1205.0 GeV
E_beam:	2.999 GeV
ε:	0.9459

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.45	282.0	0.0102	0.6543	0.03
0.55	282.0	0.536	0.6366	0.0493
0.55	294.0	0.0843	0.6528	0.0306
0.75	90.0	-0.4373	0.5922	0.0438
0.75	270.0	0.4669	0.7398	0.0454
0.75	294.0	1.2017	0.7225	0.0928
0.85	66.0	1.3047	0.7437	0.1
0.85	78.0	0.4056	0.7021	0.0422

CLAS Physics Database