Measurement E151M412

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:	0.0496
Q²:	0.0496 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6604

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	138.0	0.136	0.7523
0.55	162.0	0.8655	1.3027
0.55	222.0	0.8423	1.2148
0.55	234.0	-0.1277	0.4817
0.55	246.0	0.3845	0.6117
0.65	138.0	0.2308	0.5017
0.65	150.0	-0.8273	0.6975
0.65	210.0	0.4264	0.5735
0.65	222.0	0.7693	0.523
0.65	234.0	-0.6657	0.4073
0.65	246.0	-0.7164	0.366
0.75	138.0	-1.1177	0.5742
0.75	150.0	-0.0547	0.9319
0.75	210.0	2.0672	1.2702
0.75	222.0	0.1063	0.9922
0.75	234.0	0.1651	0.4173
0.75	246.0	1.0423	0.4602
0.85	126.0	-0.9082	0.6788
0.85	210.0	1.1394	1.1197
0.85	222.0	0.4393	0.4718
0.85	234.0	1.1726	0.44
0.85	246.0	-0.0606	0.4541
0.85	258.0	0.0131	0.5445

CLAS Physics Database