Measurement E151M3119

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_LU
ε_L:	0.0691
Q²:	0.0844 GeV²
W:	1625.0 GeV
E_beam:	1.9889 GeV
ε:	0.7903

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.45	270.0	0.054	0.2789
0.55	126.0	0.1618	0.2506
0.55	270.0	0.0136	0.2448
0.55	282.0	-0.4496	0.2183
0.65	126.0	0.3565	0.2113
0.65	138.0	-0.0907	0.2732
0.65	222.0	0.2561	0.2385
0.65	294.0	0.0249	0.2649
0.75	138.0	0.031	0.2622
0.75	198.0	-0.3707	0.2106
0.75	210.0	0.1168	0.2425
0.75	222.0	0.1935	0.2112
0.75	270.0	0.3264	0.2446
0.75	282.0	-0.054	0.2435
0.75	294.0	0.1894	0.2745
0.85	102.0	-0.19	0.2731
0.85	114.0	0.4041	0.2138
0.85	198.0	0.1682	0.2686
0.85	210.0	-0.0284	0.2625
0.85	222.0	-0.3459	0.2224
0.85	234.0	-0.1522	0.2396
0.95	222.0	0.5734	0.2156

CLAS Physics Database