Measurement E151M700

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:	0.0383
Q²:	0.0593 GeV²
W:	1685.0 GeV
E_beam:	1.9889 GeV
ε:	0.7478

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	78.0	0.2462	0.6543
0.45	270.0	0.8312	0.5512
0.45	282.0	1.2233	0.6638
0.55	114.0	0.6512	0.6878
0.55	126.0	-0.7086	0.5132
0.55	198.0	1.4799	0.6257
0.55	222.0	-0.0045	0.6525
0.65	114.0	-1.3111	0.4596
0.65	138.0	0.5991	0.6249
0.65	210.0	1.1012	0.6334
0.65	222.0	0.1724	0.6331
0.65	294.0	0.6173	0.6338
0.75	66.0	-0.4212	0.5765
0.75	198.0	1.6248	0.5533
0.75	210.0	1.1505	0.6104
0.75	222.0	0.3344	0.6218
0.75	234.0	0.7103	0.6985
0.75	270.0	0.3305	0.5558
0.75	282.0	0.7197	0.5117
0.75	294.0	-0.2353	0.5957
0.85	102.0	0.2992	0.637
0.85	114.0	0.4548	0.6226
0.85	126.0	-0.9074	0.4922
0.85	198.0	-0.0144	0.5982
0.85	210.0	1.0448	0.6156
0.85	222.0	-0.2544	0.5243

CLAS Physics Database