Measurement E151M2830

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:	0.016
Q²:	0.0121 GeV²
W:	1505.0 GeV
E_beam:	1.3383 GeV
ε:	0.7368

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	30.0	-0.1712	0.2725	0.0302
0.55	42.0	-0.4118	0.1449	0.0331
0.55	138.0	-0.2491	0.3465	0.0304
0.55	150.0	-0.2674	0.2534	0.0305
0.55	210.0	-0.2534	0.3509	0.0304
0.55	222.0	-0.3039	0.3191	0.0306
0.55	234.0	-0.2671	0.1959	0.0305
0.65	126.0	-0.2182	0.264	0.0303
0.65	138.0	-0.0969	0.3714	0.0301
0.65	210.0	-0.1772	0.2081	0.0303
0.65	222.0	0.0837	0.2282	0.0304
0.75	210.0	-0.0837	0.3226	0.03
0.75	222.0	0.2729	0.3361	0.0305
0.75	234.0	0.8337	0.1907	0.0343
0.85	222.0	-0.1238	0.3414	0.0301
0.85	234.0	-0.1841	0.3519	0.0302
0.65	234.0	-0.4914	0.2386	0.0316
0.75	210.0	-0.1206	0.2689	0.0301
0.75	222.0	0.2047	0.2464	0.0303
0.75	234.0	0.0894	0.2462	0.0301
0.85	126.0	0.4457	0.2397	0.0313
0.85	222.0	-0.1803	0.2676	0.0302
0.85	234.0	0.3921	0.2277	0.031

CLAS Physics Database