Measurement E151M3091

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:	0.1596
Q²:	0.1715 GeV²
W:	1565.0 GeV
E_beam:	1.9889 GeV
ε:	0.8004

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	102.0	0.1923	0.2395	0.0302
0.65	126.0	0.1112	0.2753	0.0301
0.65	138.0	-0.0062	0.281	0.03
0.75	102.0	0.005	0.2507	0.03
0.75	114.0	0.1883	0.242	0.0302
0.75	126.0	0.5416	0.2192	0.0319
0.75	138.0	-0.3712	0.2326	0.0309
0.75	210.0	-0.3327	0.2513	0.0307
0.75	222.0	0.2195	0.2874	0.0303
0.75	234.0	-0.0168	0.2888	0.03
0.75	246.0	-0.2246	0.231	0.0303
0.75	294.0	-0.0187	0.2597	0.03
0.85	78.0	-0.4339	0.2505	0.0312
0.85	90.0	0.2166	0.2609	0.0303
0.85	102.0	0.2513	0.2722	0.0304
0.85	222.0	-0.1301	0.2492	0.0301
0.85	234.0	0.0381	0.2065	0.03
0.85	246.0	-0.5914	0.216	0.0322
0.95	90.0	-0.2511	0.2671	0.0304
0.95	222.0	-0.075	0.2639	0.03
0.95	234.0	-0.2299	0.256	0.0304
0.95	246.0	-0.4498	0.2074	0.0313
0.95	258.0	-0.2023	0.2738	0.0303
0.95	270.0	0.5068	0.2045	0.0317

CLAS Physics Database