Measurement E151M691

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:	0.081
Q²:	0.1205 GeV²
W:	1655.0 GeV
E_beam:	1.9889 GeV
ε:	0.7479

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	126.0	-0.6924	0.6499
0.65	222.0	0.0197	0.7098
0.65	282.0	0.064	0.676
0.65	294.0	-0.5813	0.5723
0.75	126.0	-0.3032	0.6295
0.75	138.0	-1.4779	0.5101
0.75	222.0	-0.1976	0.6094
0.75	234.0	0.5269	0.6369
0.85	102.0	-0.1786	0.6578
0.85	126.0	-0.4827	0.6388
0.85	210.0	1.2074	0.628
0.85	246.0	0.7015	0.7194

CLAS Physics Database