Measurement E151M3601

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:	0.177
Q²:	0.4155 GeV²
W:	1745.0 GeV
E_beam:	2.999 GeV
ε:	0.8052

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.85	78.0	0.3056	0.2631	0.0306
0.85	90.0	-0.0364	0.2646	0.03
0.85	210.0	-0.2025	0.2569	0.0303
0.85	234.0	0.111	0.2553	0.0301
0.85	246.0	0.1526	0.2521	0.0302
0.95	186.0	0.2893	0.2724	0.0306
0.95	198.0	-0.0476	0.2267	0.03
0.95	210.0	0.02	0.269	0.03
0.95	222.0	-0.2544	0.2582	0.0304
0.95	234.0	0.0562	0.2709	0.03
0.95	246.0	-0.4726	0.2288	0.0315
0.95	258.0	-0.207	0.2522	0.0303
0.95	282.0	-0.2943	0.2688	0.0306

CLAS Physics Database