Measurement E151M3658

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:	0.0273
Q²:	0.0844 GeV²
W:	1925.0 GeV
E_beam:	2.999 GeV
ε:	0.7765

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	186.0	0.0128	0.2795	0.03
0.85	102.0	-0.1615	0.2657	0.0302
0.85	114.0	0.2799	0.259	0.0305
0.85	126.0	-0.6085	0.2108	0.0324
0.85	210.0	-0.4352	0.2505	0.0312

CLAS Physics Database