Measurement E151M529

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:	0.7121
Q²:	0.348 GeV²
W:	1325.0 GeV
E_beam:	1.9889 GeV
ε:	0.8694

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	102.0	-0.1388	0.6145
0.65	282.0	1.0219	0.6471
0.75	78.0	0.3094	0.6138
0.75	102.0	0.2848	0.6281
0.75	114.0	1.0401	0.6984
0.75	258.0	1.2823	0.6744
0.75	270.0	1.4154	0.6253
0.75	282.0	-0.9606	0.4177
0.85	78.0	1.8158	0.6221
0.85	90.0	0.208	0.6198
0.85	102.0	-0.5612	0.5491
0.85	114.0	0.0406	0.526
0.85	234.0	-0.3285	0.5804
0.85	246.0	-0.1249	0.5676
0.85	258.0	0.9719	0.6409
0.85	270.0	-0.2747	0.5058
0.85	282.0	0.4304	0.5997
0.85	294.0	-0.1687	0.4996
0.85	306.0	0.4455	0.6574
0.95	114.0	0.0561	0.5819
0.95	282.0	0.3792	0.5105
0.95	294.0	0.2976	0.5239

CLAS Physics Database