Measurement E151M738

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:	1.028
Q²:	0.2445 GeV²
W:	1235.0 GeV
E_beam:	2.2596 GeV
ε:	0.9443

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	282.0	-0.3387	1.8817
0.65	294.0	0.639	1.9965
0.75	282.0	-0.9077	1.8062
0.85	78.0	0.4615	2.8965
0.85	90.0	-0.2789	2.4811
0.85	114.0	-5.5331	2.1793
0.55	270.0	0.0578	0.4539
0.55	282.0	-0.3578	0.393
0.75	282.0	-0.3818	0.3609
0.85	90.0	-0.0696	0.4421
0.85	102.0	0.6598	0.5285
0.85	282.0	-0.5445	0.411

CLAS Physics Database