Measurement E151M2454

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:	0.3544
Q²:	0.0415 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.9107

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	282.0	-0.3349	0.2281	0.0307
0.55	270.0	-0.4469	0.2068	0.0313
0.55	282.0	-0.0445	0.179	0.03
0.65	258.0	0.094	0.2202	0.0301
0.65	270.0	-0.281	0.1727	0.0305
0.65	282.0	0.004	0.2346	0.03
0.75	258.0	-0.1528	0.1935	0.0302
0.75	270.0	-0.2156	0.1795	0.0303
0.85	138.0	-0.3076	0.2289	0.0306
0.85	150.0	0.0651	0.2291	0.03
0.85	162.0	0.0189	0.186	0.03
0.85	174.0	0.0439	0.1703	0.03
0.85	186.0	-0.0452	0.1753	0.03
0.85	198.0	0.1186	0.1656	0.0301
0.85	210.0	0.1391	0.19	0.0301
0.85	222.0	-0.1539	0.2565	0.0302
0.95	186.0	0.3674	0.2189	0.0309
0.95	210.0	-0.2483	0.2472	0.0304

CLAS Physics Database