Measurement E151M3147

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:	0.061
Q²:	0.101 GeV²
W:	1685.0 GeV
E_beam:	1.9889 GeV
ε:	0.728

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	126.0	0.0045	0.2539	0.03
0.75	222.0	-0.2508	0.261	0.0304
0.75	234.0	0.2649	0.2252	0.0305
0.75	282.0	-0.0009	0.2261	0.03
0.85	102.0	0.5013	0.2658	0.0316
0.85	114.0	0.2746	0.2588	0.0305
0.85	198.0	-0.0091	0.2744	0.03
0.85	210.0	-0.3646	0.2054	0.0309
0.85	222.0	0.0016	0.2514	0.03

CLAS Physics Database