Measurement E151M945

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:	1.4338
Q²:	0.4155 GeV²
W:	1205.0 GeV
E_beam:	2.999 GeV
ε:	0.9548

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	282.0	-0.0012	0.6564
0.45	282.0	1.2723	0.6575
0.45	294.0	-0.1836	0.607
0.55	282.0	0.1296	0.6131
0.75	66.0	-0.4172	0.5051
0.75	78.0	-0.2282	0.5573
0.75	270.0	0.2027	0.6516
0.75	282.0	2.2755	2.2755
0.85	66.0	0.6969	0.683
0.85	90.0	-0.8655	0.5156

CLAS Physics Database