Measurement E151M1000

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:	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_UL	uncertainty	syst. uncert.
0.75	102.0	-1.0754	0.5971	0.0841
0.75	258.0	0.5413	0.8125	0.0497
0.75	318.0	-0.7092	0.5831	0.0599
0.85	234.0	0.0262	0.6811	0.0301
0.85	258.0	0.3314	0.799	0.0386
0.85	270.0	-0.3022	0.6929	0.0373

CLAS Physics Database