Measurement E151M2986

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:	0.5316
Q²:	0.2445 GeV²
W:	1355.0 GeV
E_beam:	1.9889 GeV
ε:	0.8892

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	66.0	-0.3324	0.1995	0.0307
0.55	270.0	-0.2878	0.2701	0.0305
0.65	102.0	0.1491	0.2339	0.0301
0.65	270.0	0.1587	0.2522	0.0302
0.75	78.0	-0.4659	0.2419	0.0314
0.75	90.0	0.0615	0.2234	0.03
0.75	102.0	0.2337	0.1862	0.0304
0.75	114.0	-0.0501	0.2506	0.03
0.75	234.0	0.0326	0.2749	0.03
0.75	246.0	0.2111	0.2467	0.0303
0.75	258.0	0.0005	0.2194	0.03
0.75	270.0	-0.2006	0.207	0.0303
0.75	282.0	-0.2188	0.2246	0.0303
0.75	294.0	-0.2521	0.2287	0.0304
0.85	90.0	0.1096	0.1837	0.0301
0.85	102.0	-0.136	0.1796	0.0301
0.85	114.0	0.1661	0.2145	0.0302
0.85	126.0	-0.1831	0.2596	0.0302
0.85	138.0	0.1271	0.2443	0.0301
0.85	222.0	-0.0714	0.2623	0.03
0.85	234.0	0.0604	0.2284	0.03
0.85	246.0	-0.1673	0.2053	0.0302
0.85	258.0	-0.341	0.2196	0.0308
0.85	270.0	-0.0181	0.2499	0.03
0.85	282.0	-0.3549	0.1816	0.0308
0.85	294.0	-0.0601	0.1922	0.03
0.85	306.0	-0.358	0.2596	0.0308
0.95	102.0	0.2957	0.263	0.0306
0.95	114.0	-0.1725	0.2519	0.0302
0.95	126.0	0.0738	0.2431	0.03
0.95	246.0	0.1768	0.2565	0.0302
0.95	258.0	0.0197	0.1943	0.03
0.95	270.0	-0.5311	0.2282	0.0318
0.95	282.0	-0.0155	0.2245	0.03
0.95	294.0	0.3204	0.2517	0.0307

CLAS Physics Database