Measurement E151M692

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:	0.0929
Q²:	0.1435 GeV²
W:	1655.0 GeV
E_beam:	1.9889 GeV
ε:	0.7372

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	126.0	-0.9977	0.6295
0.65	114.0	1.0783	0.8004
0.65	294.0	0.6407	0.7984
0.75	222.0	0.5058	0.6435
0.75	234.0	1.0536	0.8444
0.75	282.0	0.4057	0.694
0.85	90.0	0.0952	0.743
0.85	102.0	-0.8068	0.5863
0.85	210.0	0.4407	0.6452
0.85	234.0	0.82	0.6976
0.95	234.0	1.3088	0.6568

CLAS Physics Database