Measurement E151M146

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:	0.0141
Q²:	0.0071 GeV²
W:	1415.0 GeV
E_beam:	1.0539 GeV
ε:	0.7202

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	42.0	-0.4655	0.8046
0.35	54.0	-0.5384	0.7834
0.45	42.0	-0.4081	0.7311
0.45	54.0	-0.2491	0.5786
0.45	222.0	-0.4845	0.7087
0.45	234.0	0.0332	0.7478
0.55	18.0	-0.9559	0.7249
0.55	30.0	0.0782	0.8076
0.55	42.0	0.4244	0.7356
0.55	54.0	0.5696	0.7422
0.55	222.0	0.9523	0.7187
0.55	234.0	0.5431	0.6611
0.55	246.0	1.01	0.7983
0.65	42.0	-0.6025	0.8044
0.65	54.0	1.6311	0.736
0.65	150.0	-0.7289	0.8028
0.65	174.0	-1.2063	0.7046
0.65	222.0	0.0501	0.618
0.65	234.0	-0.2841	0.5048
0.65	246.0	-0.3401	0.6625
0.75	222.0	-0.1758	0.7727
0.75	234.0	-0.6592	0.5679
0.75	246.0	-0.3632	0.5372
0.85	210.0	1.8542	0.7682
0.85	222.0	0.7387	0.6389
0.85	234.0	0.4025	0.7333
0.85	246.0	0.4029	0.5775

CLAS Physics Database