Measurement E151M3651

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:	0.0417
Q²:	0.1205 GeV²
W:	1895.0 GeV
E_beam:	2.999 GeV
ε:	0.7875

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.85	114.0	0.0116	0.2484	0.03
0.85	126.0	-0.1254	0.2266	0.0301
0.85	186.0	0.2319	0.2579	0.0304
0.85	198.0	0.111	0.2827	0.0301
0.85	210.0	-0.1579	0.2502	0.0302

CLAS Physics Database