Measurement E151M2590

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:	0.0141
Q²:	0.0071 GeV²
W:	1415.0 GeV
E_beam:	1.0539 GeV
ε:	0.7202

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	42.0	-0.2501	0.235	0.0304
0.35	54.0	-0.3225	0.2466	0.0307
0.45	42.0	0.0821	0.2275	0.03
0.45	54.0	-0.2593	0.163	0.0304
0.45	222.0	0.3392	0.2185	0.0308
0.45	234.0	-0.3356	0.2152	0.0307
0.55	18.0	-0.1253	0.2498	0.0301
0.55	30.0	-0.1847	0.2332	0.0302
0.55	42.0	-0.5805	0.1812	0.0322
0.55	54.0	0.0329	0.2115	0.03
0.55	222.0	0.2621	0.2092	0.0305
0.55	234.0	-0.2093	0.198	0.0303
0.55	246.0	0.1809	0.238	0.0302
0.65	42.0	-0.111	0.2562	0.0301
0.65	54.0	0.1357	0.2051	0.0301
0.65	150.0	0.1836	0.2628	0.0302
0.65	174.0	0.0169	0.2561	0.03
0.65	222.0	-0.1083	0.1923	0.0301
0.65	234.0	0.1936	0.1633	0.0302
0.65	246.0	-0.1127	0.2259	0.0301
0.75	222.0	-0.0737	0.2547	0.03
0.75	234.0	0.0862	0.203	0.03
0.75	246.0	0.1517	0.1823	0.0302
0.85	210.0	-0.4276	0.2424	0.0312
0.85	222.0	0.2611	0.2023	0.0305
0.85	234.0	0.0875	0.241	0.0301
0.85	246.0	-0.0179	0.191	0.03

CLAS Physics Database