Measurement E151M901

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_UL
ε_L:	0.1
Q²:	0.1205 GeV²
W:	1625.0 GeV
E_beam:	2.2596 GeV
ε:	0.8333

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.65	126.0	-0.1857	0.7615	0.0324
0.75	210.0	0.4683	0.8883	0.0429
0.75	234.0	1.4356	0.84	0.0989
0.85	90.0	0.6713	0.7482	0.0533
0.85	102.0	0.4442	0.8509	0.0418
0.85	222.0	-0.3241	0.7175	0.0368
0.85	234.0	1.5773	0.8985	0.1078
0.65	234.0	-0.8169	0.6382	0.0811
0.65	294.0	-0.4731	0.6097	0.053
0.75	126.0	-1.2679	0.7278	0.1208
0.75	294.0	0.1572	0.6781	0.0333
0.85	102.0	1.0104	1.029	0.098
0.85	222.0	-0.2959	0.661	0.0406

CLAS Physics Database