Measurement E151M3526

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:	0.3792
Q²:	0.5925 GeV²
W:	1565.0 GeV
E_beam:	2.999 GeV
ε:	0.8489

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	90.0	-0.1831	0.2722
0.65	102.0	0.3147	0.247
0.75	54.0	-0.3964	0.2573
0.75	102.0	-0.0138	0.2857
0.75	270.0	-0.4541	0.2229
0.85	102.0	-0.0386	0.2745
0.85	210.0	-0.3829	0.2671
0.85	234.0	0.0164	0.2495
0.85	270.0	-0.2791	0.2469
0.95	294.0	-0.728	0.1862
0.95	306.0	-0.2891	0.2035
0.95	318.0	0.0205	0.2794

CLAS Physics Database