Measurement E151M427

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:	0.0254
Q²:	0.0291 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.6307

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.65	210.0	-0.1335	1.0491	0.0311
0.65	222.0	-0.5682	0.7714	0.0455
0.65	234.0	0.2868	0.9025	0.0346
0.65	246.0	-1.0416	0.6248	0.0695
0.75	210.0	1.8587	1.4593	0.1159
0.75	222.0	0.9616	1.219	0.0652
0.75	234.0	0.3386	1.017	0.0363
0.85	222.0	1.1269	1.1477	0.0742
0.85	234.0	0.8949	1.1663	0.0617
0.85	246.0	-1.0542	0.586	0.0702
0.35	42.0	0.0825	0.7116	0.0304
0.55	234.0	0.6548	0.6995	0.0504
0.75	210.0	0.3655	0.7135	0.0376
0.75	222.0	0.5334	0.6935	0.0446
0.75	234.0	-0.3129	0.6918	0.0357
0.85	138.0	0.3374	0.7279	0.0366
0.85	210.0	-0.4152	0.6814	0.0395
0.85	222.0	-0.0375	0.6663	0.0301
0.85	234.0	-0.2066	0.5942	0.0326
0.85	246.0	0.185	0.6942	0.0321

CLAS Physics Database