Measurement E151M124

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:	0.0124
Q²:	0.005 GeV²
W:	1385.0 GeV
E_beam:	1.0539 GeV
ε:	0.7695

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	54.0	1.1931	0.7802
0.75	222.0	0.5361	0.7847
0.75	234.0	1.0447	0.7763
0.75	246.0	0.1191	0.7879
0.85	234.0	1.6373	0.8165

CLAS Physics Database