Measurement E151M3578

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:	0.0489
Q²:	0.0707 GeV²
W:	1715.0 GeV
E_beam:	2.999 GeV
ε:	0.8911

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	210.0	0.1411	0.2439	0.0301
0.85	102.0	0.1724	0.2395	0.0302
0.85	114.0	0.1753	0.2283	0.0302
0.85	126.0	0.4497	0.219	0.0313
0.85	186.0	-0.134	0.2608	0.0301
0.85	222.0	0.2661	0.24	0.0305

CLAS Physics Database