Measurement E151M3324

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:	0.1931
Q²:	0.205 GeV²
W:	1565.0 GeV
E_beam:	2.2596 GeV
ε:	0.8416

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	126.0	-0.0076	0.2403	0.03
0.75	222.0	-0.3244	0.1707	0.0308
0.85	78.0	0.1855	0.1632	0.0303
0.85	90.0	0.5993	0.213	0.0323
0.85	222.0	-0.1937	0.2466	0.0302
0.85	234.0	-0.1989	0.1731	0.0306
0.95	246.0	-0.1737	0.2499	0.0302
0.95	258.0	-0.4662	0.2415	0.0314
0.95	282.0	-0.3351	0.2136	0.0307

CLAS Physics Database