Measurement E151M3648

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:	0.0258
Q²:	0.0707 GeV²
W:	1895.0 GeV
E_beam:	2.999 GeV
ε:	0.7999

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	114.0	-0.0028	0.2586	0.03
0.75	210.0	-0.1326	0.2656	0.0301
0.75	282.0	-0.1391	0.2332	0.0301
0.85	126.0	0.2117	0.2644	0.0303
0.85	186.0	-0.2911	0.235	0.0306
0.85	198.0	0.0387	0.2302	0.03
0.85	270.0	-0.4922	0.2156	0.0316

CLAS Physics Database