Measurement E151M1205

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:	0.0303
Q²:	0.0844 GeV²
W:	1895.0 GeV
E_beam:	2.999 GeV
ε:	0.7965

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.75	114.0	-0.3912	0.9107	0.0414
0.75	270.0	0.3717	0.8414	0.0405
0.85	102.0	-0.3505	0.8357	0.0395
0.85	114.0	0.0715	0.8141	0.0305
0.85	126.0	-1.1443	0.7728	0.0889
0.85	186.0	2.0781	1.0395	0.1548
0.85	198.0	-0.0496	0.7758	0.0302
0.85	210.0	-0.9388	0.7406	0.0749

CLAS Physics Database