Measurement E151M3621

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:	0.077
Q²:	0.1715 GeV²
W:	1805.0 GeV
E_beam:	2.999 GeV
ε:	0.8287

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	114.0	-0.3558	0.2565	0.0308
0.75	90.0	0.6328	0.2444	0.0326
0.75	102.0	0.2963	0.2571	0.0306
0.75	210.0	-0.0996	0.2224	0.0301
0.85	90.0	0.0461	0.249	0.03
0.85	102.0	0.5588	0.2195	0.032
0.85	126.0	-0.0077	0.2668	0.03
0.85	174.0	0.496	0.2119	0.0316
0.85	186.0	0.161	0.2145	0.0302
0.85	198.0	0.222	0.1923	0.0303
0.85	210.0	-0.0267	0.2239	0.03
0.85	222.0	-0.0195	0.2421	0.03
0.85	234.0	-0.1556	0.2097	0.0302
0.95	186.0	-0.1387	0.2709	0.0301
0.95	198.0	-0.536	0.2154	0.0319
0.95	210.0	0.1492	0.2445	0.0301
0.95	222.0	-0.4902	0.2197	0.0316

CLAS Physics Database