Measurement E151M148

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:	0.0199
Q²:	0.0101 GeV²
W:	1415.0 GeV
E_beam:	1.0539 GeV
ε:	0.7165

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	42.0	0.8219	0.7832
0.35	54.0	1.6975	0.6636
0.45	30.0	1.8251	0.8292
0.45	42.0	1.3973	0.5783
0.45	54.0	0.2218	0.5788
0.45	222.0	-0.1194	0.7715
0.45	234.0	0.5712	0.7441
0.45	246.0	0.0722	0.7584
0.55	18.0	1.279	0.7667
0.55	30.0	0.6007	0.7075
0.55	42.0	-0.0284	0.4833
0.55	54.0	0.6876	0.5852
0.55	138.0	0.0783	0.9026
0.55	150.0	-0.4472	0.6864
0.55	210.0	2.0131	0.7247
0.55	222.0	0.4306	0.6938
0.55	234.0	0.1638	0.5076
0.55	246.0	-0.4493	0.5231
0.55	258.0	0.3687	0.8002
0.65	42.0	0.2324	0.8603
0.65	54.0	0.397	0.7731
0.65	138.0	-0.7639	0.7748
0.65	150.0	0.6091	0.7635
0.65	162.0	0.9918	0.6641
0.65	174.0	-0.048	0.7648
0.65	210.0	0.6536	0.7995
0.65	222.0	0.3814	0.5515
0.65	234.0	0.1432	0.4992
0.65	246.0	0.7612	0.5332
0.65	258.0	1.7776	0.7424
0.75	150.0	-1.0695	0.6953
0.75	210.0	0.8626	0.8554
0.75	222.0	0.9625	0.6811
0.75	234.0	0.1801	0.5618
0.75	246.0	1.055	0.5287
0.75	258.0	0.1531	0.7193
0.85	210.0	-0.5876	0.6746
0.85	222.0	-0.0728	0.5871
0.85	234.0	0.0629	0.4818
0.85	246.0	0.3306	0.6014

CLAS Physics Database