Measurement E151M2920

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:	0.4706
Q²:	0.0707 GeV²
W:	1235.0 GeV
E_beam:	1.9889 GeV
ε:	0.9671

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	78.0	0.0722	0.2569	0.03
0.45	78.0	-0.0744	0.1983	0.03
0.55	78.0	0.1728	0.191	0.0302
0.55	90.0	-0.1926	0.1731	0.0302
0.55	270.0	0.0879	0.223	0.0301
0.55	282.0	0.1674	0.241	0.0302
0.65	78.0	0.6572	0.1759	0.0328
0.65	90.0	-0.3404	0.1945	0.0308
0.65	258.0	0.1121	0.1905	0.0301
0.65	270.0	-0.348	0.1556	0.0308
0.65	282.0	-0.3639	0.207	0.0309
0.75	90.0	0.0807	0.2619	0.03
0.75	102.0	0.1597	0.2779	0.0302
0.75	114.0	0.5964	0.1858	0.0323
0.75	126.0	-0.1681	0.2783	0.0302
0.75	246.0	0.4052	0.2139	0.0311
0.75	258.0	-0.0636	0.1701	0.03
0.75	270.0	-0.1438	0.1601	0.0301
0.85	102.0	-0.1282	0.2377	0.0301
0.85	114.0	0.1972	0.1767	0.0303
0.85	126.0	-0.0202	0.1658	0.03
0.85	138.0	0.2585	0.1532	0.0304
0.85	150.0	0.0037	0.2024	0.03
0.85	162.0	0.083	0.2157	0.03
0.85	174.0	-0.0751	0.2422	0.03
0.85	210.0	0.2315	0.2565	0.0304
0.85	222.0	-0.5075	0.2659	0.0317
0.85	246.0	0.0498	0.2071	0.03
0.85	258.0	-0.2714	0.1798	0.0305
0.85	270.0	0.1726	0.2592	0.0302
0.95	114.0	0.05	0.2488	0.03
0.95	126.0	0.0367	0.1984	0.03
0.95	138.0	0.111	0.2175	0.0301
0.95	150.0	-0.0005	0.177	0.03
0.95	162.0	-0.2106	0.1735	0.0303
0.95	174.0	-0.0531	0.2342	0.03
0.95	186.0	0.1031	0.2102	0.0301
0.95	198.0	-0.1408	0.2314	0.0301
0.95	210.0	-0.2548	0.2682	0.0304
0.95	234.0	-0.0271	0.2724	0.03

CLAS Physics Database