Measurement E151M3444

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:	0.8034
Q²:	0.7075 GeV²
W:	1355.0 GeV
E_beam:	2.999 GeV
ε:	0.8919

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	102.0	0.0993	0.2707	0.0301
0.75	258.0	-0.0466	0.278	0.03
0.75	318.0	-0.1751	0.2671	0.0302
0.85	234.0	0.0876	0.2479	0.0301
0.85	258.0	-0.8029	0.2125	0.034
0.85	270.0	0.6383	0.2184	0.0326

CLAS Physics Database