Measurement E151M3401

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:	1.2681
Q²:	0.5925 GeV²
W:	1235.0 GeV
E_beam:	2.999 GeV
ε:	0.9304

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	294.0	-0.0293	0.2797	0.03
0.45	282.0	-0.4652	0.2567	0.0314
0.55	78.0	0.0018	0.272	0.03
0.55	270.0	0.5343	0.2526	0.0318
0.65	66.0	-0.1613	0.283	0.0302
0.65	78.0	-0.1344	0.2789	0.0301
0.65	90.0	-0.3651	0.2484	0.0309
0.65	282.0	0.0126	0.2573	0.03
0.75	90.0	-0.1197	0.232	0.0301
0.75	270.0	-0.0107	0.2667	0.03
0.75	282.0	-0.5773	0.1989	0.0321
0.85	66.0	0.0211	0.2387	0.03
0.85	90.0	-0.0942	0.2632	0.0301

CLAS Physics Database