Measurement E151M3109

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:	0.1763
Q²:	0.2445 GeV²
W:	1595.0 GeV
E_beam:	1.9889 GeV
ε:	0.7455

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	114.0	0.1189	0.2651	0.0301
0.75	126.0	0.2535	0.2527	0.0304
0.75	210.0	-0.1571	0.2596	0.0302
0.85	90.0	0.1702	0.2458	0.0302
0.85	234.0	0.1919	0.2438	0.0302
0.85	258.0	0.3505	0.2332	0.0308
0.95	222.0	-0.438	0.2578	0.0313

CLAS Physics Database