Measurement E151M3195

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:	0.2366
Q²:	0.0496 GeV²
W:	1295.0 GeV
E_beam:	2.2596 GeV
ε:	0.9699

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	258.0	-0.1177	0.2386	0.0301
0.85	246.0	-0.3351	0.2253	0.0307
0.65	258.0	0.2526	0.2348	0.0304
0.75	258.0	-0.3815	0.204	0.031
0.75	270.0	-0.077	0.1978	0.03
0.85	114.0	0.0488	0.2437	0.03
0.85	126.0	-0.0374	0.2407	0.03
0.85	258.0	0.2928	0.2201	0.0306
0.85	270.0	-0.0512	0.2455	0.03

CLAS Physics Database