Measurement E151M3364

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:	0.0354
Q²:	0.0496 GeV²
W:	1685.0 GeV
E_beam:	2.2596 GeV
ε:	0.8174

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	270.0	-0.3682	0.1608	0.031
0.55	258.0	-0.0284	0.2644	0.03
0.65	126.0	0.2746	0.2578	0.0305
0.75	210.0	-0.4916	0.2149	0.0316
0.75	222.0	-0.0196	0.2571	0.03
0.75	270.0	0.476	0.2412	0.0315
0.75	282.0	-0.2222	0.2051	0.0303
0.85	210.0	-0.0799	0.2111	0.03
0.85	234.0	-0.3831	0.2191	0.031
0.45	282.0	0.1036	0.2492	0.0301
0.55	114.0	-0.2115	0.2227	0.0303
0.55	270.0	0.1547	0.2648	0.0302
0.55	282.0	0.4096	0.2483	0.0311
0.65	114.0	-0.1428	0.2493	0.0301
0.65	126.0	0.0578	0.2176	0.03
0.65	138.0	0.1917	0.2494	0.0302
0.65	210.0	-0.0249	0.2378	0.03
0.65	222.0	0.0259	0.2423	0.03
0.75	198.0	-0.2515	0.2474	0.0304
0.75	210.0	-0.2032	0.2496	0.0303
0.75	222.0	0.3551	0.2188	0.0308
0.75	270.0	0.3008	0.211	0.0306
0.75	282.0	0.0152	0.208	0.03
0.85	114.0	0.181	0.2472	0.0302
0.85	126.0	0.445	0.2098	0.0313
0.85	210.0	-0.1769	0.2244	0.0302
0.85	222.0	0.0691	0.2568	0.03

CLAS Physics Database