Measurement E151M418

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:	0.1108
Q²:	0.1435 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.5748

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.65	222.0	1.0869	0.7415	0.0737
0.85	234.0	0.2151	0.6986	0.0328
0.65	246.0	-0.4404	0.8561	0.04
0.65	258.0	-0.7654	0.8029	0.055
0.75	246.0	-0.1461	0.9958	0.0313

CLAS Physics Database