Measurement E151M800

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:	0.5631
Q²:	0.348 GeV²
W:	1385.0 GeV
E_beam:	2.2596 GeV
ε:	0.8824

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.85	102.0	0.3935	0.7284	0.0396
0.85	258.0	-0.2104	0.6397	0.033
0.85	282.0	0.5839	0.6769	0.0487
0.85	294.0	-0.3398	0.5726	0.0374
0.95	294.0	-0.4401	0.9425	0.0416

CLAS Physics Database