Measurement E151M433

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:	0.063
Q²:	0.0844 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.5786

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	162.0	-0.9712	0.7258	0.0672
0.65	234.0	1.4002	0.6977	0.0917
0.75	138.0	0.6259	0.7653	0.049
0.75	150.0	-1.2214	0.6382	0.0814
0.75	234.0	1.7113	0.662	0.1101
0.85	234.0	0.8777	0.6762	0.0621
0.55	234.0	-0.0331	1.0608	0.0301
0.65	234.0	0.8706	1.2593	0.0604
0.85	234.0	-1.1579	0.5228	0.0759
0.85	258.0	-1.2628	0.5196	0.0817

CLAS Physics Database