Measurement E151M3604

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:	0.0393
Q²:	0.0707 GeV²
W:	1775.0 GeV
E_beam:	2.999 GeV
ε:	0.8655

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	138.0	0.1763	0.2418	0.0302
0.75	210.0	0.1304	0.2391	0.0301
0.75	222.0	-0.2467	0.2315	0.0304
0.85	102.0	0.2574	0.2343	0.0304
0.85	126.0	0.2079	0.2595	0.0303
0.85	174.0	0.8023	0.184	0.034
0.85	186.0	-0.2618	0.2138	0.0305
0.85	198.0	0.2289	0.2319	0.0303
0.85	210.0	-0.0738	0.2158	0.03
0.85	222.0	-0.2708	0.2052	0.0305

CLAS Physics Database