Measurement E151M41

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:	0.0425
Q²:	0.0071 GeV²
W:	1265.0 GeV
E_beam:	1.0539 GeV
ε:	0.8992

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	246.0	-0.6361	0.4802	0.0783
0.65	234.0	-0.3927	0.5588	0.0538
0.65	246.0	0.1892	0.4758	0.0369
0.65	258.0	-0.5337	0.4444	0.0677
0.65	270.0	-0.3139	0.5551	0.0466
0.75	246.0	0.6172	0.468	0.0764
0.75	258.0	0.1433	0.51	0.0341
0.85	246.0	0.6102	0.6099	0.0756

CLAS Physics Database