Measurement E151M3127

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:	0.0227
Q²:	0.0291 GeV²
W:	1655.0 GeV
E_beam:	1.9889 GeV
ε:	0.7891

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	78.0	0.255	0.228	0.0304
0.35	282.0	-0.2346	0.2691	0.0304
0.45	18.0	-0.0432	0.2828	0.03
0.45	258.0	-0.2874	0.221	0.0305
0.45	270.0	-0.4416	0.2195	0.0313
0.45	282.0	-0.0484	0.2748	0.03
0.55	78.0	0.2896	0.255	0.0306
0.55	126.0	-0.1895	0.2232	0.0302
0.55	210.0	0.4773	0.2318	0.0315
0.55	258.0	-0.1907	0.2631	0.0302
0.55	270.0	0.1282	0.2306	0.0301
0.55	282.0	0.1921	0.2633	0.0302
0.65	126.0	-0.4355	0.2319	0.0312
0.65	138.0	-0.0492	0.2543	0.03
0.65	150.0	-0.634	0.2199	0.0326
0.65	210.0	0.133	0.2613	0.0301
0.65	222.0	0.2319	0.2565	0.0304
0.65	294.0	0.3987	0.2444	0.031
0.75	66.0	0.6252	0.1927	0.0325
0.75	126.0	0.021	0.264	0.03
0.75	210.0	-0.2658	0.2568	0.0305
0.75	222.0	0.028	0.233	0.03
0.75	234.0	0.1366	0.237	0.0301
0.75	258.0	-0.1814	0.2456	0.0302
0.75	270.0	-0.0674	0.2009	0.03
0.75	282.0	0.27	0.2417	0.0305
0.85	114.0	0.3978	0.2069	0.031
0.85	126.0	-0.1332	0.2187	0.0301
0.85	198.0	0.0755	0.2845	0.03
0.85	210.0	-0.2658	0.205	0.0305
0.85	222.0	0.1365	0.2436	0.0301
0.85	234.0	0.1528	0.2596	0.0302
0.85	258.0	0.2931	0.2607	0.0306

CLAS Physics Database