Measurement E151M3422

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:	0.9964
Q²:	0.7075 GeV²
W:	1295.0 GeV
E_beam:	2.999 GeV
ε:	0.9048

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	258.0	-0.2606	0.2467
0.75	282.0	-0.0984	0.2715
0.85	282.0	0.007	0.2803
0.85	318.0	-0.0662	0.2738
0.85	330.0	-0.2561	0.2423

CLAS Physics Database