Measurement E151M2623

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:	0.1008
Q²:	0.0844 GeV²
W:	1445.0 GeV
E_beam:	1.0539 GeV
ε:	0.5659

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	42.0	0.2533	0.2397	0.0304
0.55	258.0	-0.0809	0.2155	0.03
0.65	234.0	0.0429	0.2542	0.03
0.65	258.0	-0.2406	0.2119	0.0304
0.75	246.0	0.204	0.2255	0.0303
0.75	258.0	-0.0722	0.2261	0.03
0.85	234.0	0.2995	0.2411	0.0306
0.85	258.0	0.0706	0.2389	0.03

CLAS Physics Database