Measurement E151M3390

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_LU
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_LU	uncertainty
0.45	282.0	0.2554	0.2773
0.55	282.0	0.0766	0.2506
0.55	294.0	0.2835	0.2615
0.75	90.0	-0.1539	0.2722
0.75	270.0	-0.09	0.2867
0.75	294.0	-0.2896	0.2567
0.85	66.0	-0.0216	0.2739
0.85	78.0	0.1117	0.2706

CLAS Physics Database