Measurement E151M2921

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:	0.5391
Q²:	0.0844 GeV²
W:	1235.0 GeV
E_beam:	1.9889 GeV
ε:	0.9641

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	78.0	-0.1486	0.2598	0.0301
0.45	66.0	0.1633	0.2362	0.0302
0.45	78.0	0.019	0.1586	0.03
0.45	282.0	0.3528	0.2622	0.0308
0.55	78.0	0.1094	0.177	0.0301
0.55	90.0	-0.2131	0.2601	0.0303
0.55	270.0	0.0239	0.2538	0.03
0.55	282.0	0.0502	0.2155	0.03
0.65	90.0	-0.0132	0.2645	0.03
0.65	258.0	-0.0908	0.2064	0.0301
0.65	270.0	0.0132	0.1715	0.03
0.65	282.0	-0.5695	0.1581	0.0321
0.75	90.0	-0.2175	0.2849	0.0303
0.75	114.0	-0.1256	0.2489	0.0301
0.75	126.0	0.2847	0.2531	0.0305
0.75	246.0	-0.1767	0.2255	0.0302
0.75	258.0	-0.0082	0.1786	0.03
0.75	270.0	-0.1562	0.1631	0.0302
0.75	282.0	-0.0426	0.2528	0.03
0.85	90.0	0.0572	0.273	0.03
0.85	102.0	-0.0842	0.1758	0.03
0.85	114.0	0.1329	0.1661	0.0301
0.85	126.0	0.1808	0.1657	0.0302
0.85	138.0	0.146	0.1647	0.0301
0.85	150.0	0.1336	0.2431	0.0301
0.85	174.0	0.0439	0.2641	0.03
0.85	234.0	-0.2386	0.2733	0.0304
0.85	246.0	0.1848	0.2539	0.0302
0.85	258.0	0.233	0.1903	0.0304
0.85	270.0	-0.0887	0.2577	0.0301
0.95	102.0	0.1064	0.2245	0.0301
0.95	114.0	0.4353	0.1842	0.0312
0.95	126.0	-0.0153	0.1914	0.03
0.95	138.0	-0.2742	0.1654	0.0305
0.95	150.0	-0.0496	0.1661	0.03
0.95	162.0	-0.045	0.1898	0.03
0.95	174.0	0.3079	0.2132	0.0306
0.95	186.0	0.0739	0.2153	0.03
0.95	198.0	-0.5264	0.1801	0.0318
0.95	210.0	0.3061	0.245	0.0306

CLAS Physics Database