Measurement E151M2919

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:	0.4081
Q²:	0.0593 GeV²
W:	1235.0 GeV
E_beam:	1.9889 GeV
ε:	0.9696

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.35	66.0	-0.2547	0.2441
0.35	78.0	0.5871	0.2127
0.45	66.0	0.0345	0.2385
0.45	78.0	0.4254	0.1689
0.55	78.0	0.0905	0.1734
0.55	90.0	0.0804	0.1719
0.55	270.0	-0.1234	0.2558
0.65	90.0	-0.104	0.1919
0.65	258.0	0.2016	0.1684
0.65	270.0	0.4337	0.1666
0.75	102.0	-0.0067	0.2928
0.75	114.0	0.1742	0.2194
0.75	126.0	0.3152	0.2045
0.75	234.0	0.6254	0.1953
0.75	246.0	-0.1695	0.2114
0.75	258.0	0.1344	0.161
0.75	270.0	-0.1196	0.2178
0.85	102.0	0.4536	0.2433
0.85	114.0	-0.1068	0.1986
0.85	126.0	0.0921	0.167
0.85	138.0	-0.187	0.1795
0.85	150.0	0.1396	0.1666
0.85	162.0	0.2097	0.2246
0.85	174.0	0.1808	0.2236
0.85	186.0	0.5098	0.1883
0.85	198.0	-0.0933	0.2787
0.85	210.0	0.0289	0.2698
0.85	222.0	0.2705	0.2432
0.85	234.0	0.3613	0.2121
0.85	246.0	-0.0715	0.2044
0.85	258.0	-0.2949	0.225
0.95	114.0	0.1267	0.2664
0.95	126.0	0.1829	0.2132
0.95	138.0	-0.1252	0.2107
0.95	150.0	0.2846	0.1779
0.95	162.0	-0.0637	0.2149
0.95	174.0	-0.2941	0.2138
0.95	186.0	0.2744	0.2332
0.95	198.0	-0.43	0.2437
0.95	210.0	0.5709	0.1959

CLAS Physics Database