Measurement E151M3614

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:	0.16
Q²:	0.4155 GeV²
W:	1775.0 GeV
E_beam:	2.999 GeV
ε:	0.7887

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.85	198.0	0.1921	0.2725	0.0302
0.85	234.0	-0.0332	0.2566	0.03
0.95	198.0	-0.3987	0.2457	0.031
0.95	210.0	-0.1294	0.2563	0.0301
0.95	222.0	0.0614	0.262	0.03
0.95	234.0	0.0751	0.262	0.03

CLAS Physics Database