CLAS Physics Database

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Measurement E151M3413

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Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

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).

No publications available for this experiment

Quantity measured: A_LU,
Beam asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π⁺n, polarization: none

Q² :	0.1435 GeV²
W :	1295 GeV
ε :	0.9742
E_beam :	2.999 GeV
ε_L:	0.557

Select data slice:
cos(θ_π⁺) =

Observable quantity measured (Y axis): A_LU,
Plot measurement data

Parameter (X axis): φ(π⁺), degrees

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θ_π⁺)	φ(π⁺), degrees	A_LU	Stat. error	Syst. error
0.05	306	0.0353	0.2543	0.03
0.15	54	0.0212	0.275	0.03
0.15	66	-0.2898	0.2443	0.0306
0.15	306	0.1827	0.2535	0.0302
0.25	66	-0.0134	0.1956	0.03
0.25	294	0.3594	0.2054	0.0308
0.25	306	-0.4213	0.1887	0.0312
0.35	66	0.0539	0.1647	0.03
0.35	78	-0.0594	0.2679	0.03
0.35	294	-0.0728	0.2461	0.03
0.45	66	-0.2886	0.1824	0.0306
0.45	78	-0.1646	0.2338	0.0302
0.45	282	-0.1848	0.2293	0.0302
0.55	270	0.2444	0.2396	0.0304
0.55	282	0.1029	0.1909	0.0301
0.55	294	0.0464	0.2485	0.03
0.65	78	0.0558	0.2555	0.03
0.65	90	0.1898	0.2203	0.0302
0.65	102	-0.029	0.2023	0.03
0.65	258	-0.0331	0.1948	0.03
0.65	270	-0.1502	0.1423	0.0302
0.65	282	-0.0873	0.1569	0.0301
0.65	294	-0.0555	0.2184	0.03
0.75	78	0.0114	0.1604	0.03
0.75	90	0.2184	0.1522	0.0303
0.75	102	0.0511	0.1583	0.03
0.75	114	-0.1071	0.1717	0.0301
0.75	126	-0.1866	0.2715	0.0302
0.75	246	0.008	0.1971	0.03
0.75	258	-0.0412	0.1574	0.03
0.75	270	0.0371	0.1309	0.03
0.75	282	-0.1207	0.141	0.0301
0.75	294	0.2613	0.1846	0.0305
0.85	78	0.0676	0.1517	0.03
0.85	90	0.2454	0.1345	0.0304
0.85	102	-0.2296	0.1221	0.0303
0.85	114	0.3559	0.1406	0.0308
0.85	126	0.1563	0.1611	0.0302
0.85	138	0.2044	0.2123	0.0303
0.85	150	0.1034	0.2758	0.0301
0.85	222	-0.0962	0.2625	0.0301
0.85	234	-0.1118	0.1566	0.0301
0.85	246	-0.0017	0.1769	0.03
0.85	258	0.1035	0.1442	0.0301
0.85	270	-0.1533	0.1306	0.0302
0.85	282	0.0085	0.1317	0.03
0.85	294	-0.0213	0.1559	0.03
0.95	78	0.1639	0.2058	0.0302
0.95	90	-0.1575	0.169	0.0302
0.95	102	-0.1808	0.1716	0.0302
0.95	114	0.4089	0.1483	0.0311
0.95	126	0.2284	0.1514	0.0303
0.95	138	-0.1875	0.1697	0.0302
0.95	150	-0.1843	0.1856	0.0302
0.95	162	-0.0981	0.2387	0.0301
0.95	198	-0.0496	0.2769	0.03
0.95	210	-0.0129	0.2692	0.03
0.95	222	0.002	0.2073	0.03
0.95	234	0.0248	0.1888	0.03
0.95	246	-0.5354	0.171	0.0319
0.95	258	0.1148	0.1643	0.0301
0.95	270	0.0289	0.1644	0.03
0.95	282	0.0981	0.1619	0.0301
0.95	294	-0.1514	0.1799	0.0302