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
0.35	78.0	0.0722	0.2569
0.45	78.0	-0.0744	0.1983
0.55	78.0	0.1728	0.191
0.55	90.0	-0.1926	0.1731
0.55	270.0	0.0879	0.223
0.55	282.0	0.1674	0.241
0.65	78.0	0.6572	0.1759
0.65	90.0	-0.3404	0.1945
0.65	258.0	0.1121	0.1905
0.65	270.0	-0.348	0.1556
0.65	282.0	-0.3639	0.207
0.75	90.0	0.0807	0.2619
0.75	102.0	0.1597	0.2779
0.75	114.0	0.5964	0.1858
0.75	126.0	-0.1681	0.2783
0.75	246.0	0.4052	0.2139
0.75	258.0	-0.0636	0.1701
0.75	270.0	-0.1438	0.1601
0.85	102.0	-0.1282	0.2377
0.85	114.0	0.1972	0.1767
0.85	126.0	-0.0202	0.1658
0.85	138.0	0.2585	0.1532
0.85	150.0	0.0037	0.2024
0.85	162.0	0.083	0.2157
0.85	174.0	-0.0751	0.2422
0.85	210.0	0.2315	0.2565
0.85	222.0	-0.5075	0.2659
0.85	246.0	0.0498	0.2071
0.85	258.0	-0.2714	0.1798
0.85	270.0	0.1726	0.2592
0.95	114.0	0.05	0.2488
0.95	126.0	0.0367	0.1984
0.95	138.0	0.111	0.2175
0.95	150.0	-0.0005	0.177
0.95	162.0	-0.2106	0.1735
0.95	174.0	-0.0531	0.2342
0.95	186.0	0.1031	0.2102
0.95	198.0	-0.1408	0.2314
0.95	210.0	-0.2548	0.2682
0.95	234.0	-0.0271	0.2724

CLAS Physics Database