CLAS Physics Database

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Measurement E151M2948

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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 :	0.0593 GeV²
W :	1295 GeV
ε :	0.9578
E_beam :	1.9889 GeV
ε_L:	0.2728

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
0.15	294	-0.1085	0.2788	0.0301
0.15	306	0.4317	0.1807	0.0312
0.15	318	0.3256	0.2268	0.0307
0.25	66	-0.0154	0.1773	0.03
0.25	78	-0.3167	0.1876	0.0307
0.25	294	-0.05	0.1794	0.03
0.25	306	-0.0213	0.1498	0.03
0.25	318	-0.0777	0.2265	0.03
0.35	66	-0.2333	0.1409	0.0304
0.35	78	-0.0049	0.1526	0.03
0.35	282	-0.3034	0.2179	0.0306
0.35	294	0.0164	0.1512	0.03
0.35	306	0.3742	0.1589	0.0309
0.45	66	-0.2862	0.1639	0.0305
0.45	78	-0.1565	0.1221	0.0302
0.45	90	-0.0122	0.1832	0.03
0.45	270	0.1352	0.213	0.0301
0.45	282	-0.0141	0.1852	0.03
0.45	294	0.073	0.1509	0.03
0.45	306	0.0099	0.2688	0.03
0.55	66	-0.0096	0.1887	0.03
0.55	78	-0.1462	0.1241	0.0301
0.55	90	0.1321	0.1465	0.0301
0.55	102	0.1717	0.2357	0.0302
0.55	258	0.2958	0.206	0.0306
0.55	270	-0.1784	0.1796	0.0302
0.55	282	-0.0385	0.1698	0.03
0.55	294	-0.1812	0.233	0.0302
0.65	78	-0.2012	0.1593	0.0303
0.65	90	0.0984	0.1712	0.0301
0.65	102	-0.3053	0.1741	0.0306
0.65	114	-0.0323	0.1922	0.03
0.65	126	0.38	0.1739	0.0309
0.65	234	0.2508	0.2437	0.0304
0.65	246	-0.0216	0.1595	0.03
0.65	258	0.0796	0.1314	0.03
0.65	270	0.0481	0.1408	0.03
0.65	282	-0.1577	0.1919	0.0302
0.75	78	0.0489	0.3134	0.03
0.75	90	-0.1638	0.1959	0.0302
0.75	102	0.0288	0.153	0.03
0.75	114	0.2216	0.1463	0.0303
0.75	126	0.3553	0.148	0.0308
0.75	138	0.161	0.1598	0.0302
0.75	150	-0.0456	0.2193	0.03
0.75	162	-0.2965	0.2579	0.0306
0.75	222	0.1331	0.1847	0.0301
0.75	234	-0.1223	0.1553	0.0301
0.75	246	0.073	0.1215	0.03
0.75	258	-0.0996	0.1184	0.0301
0.75	270	-0.1182	0.1362	0.0301
0.75	282	0.1033	0.1904	0.0301
0.85	102	0.1172	0.156	0.0301
0.85	114	-0.0962	0.1325	0.0301
0.85	126	-0.0449	0.1362	0.03
0.85	138	0.0432	0.1322	0.03
0.85	150	-0.282	0.145	0.0305
0.85	162	0.4493	0.1641	0.0313
0.85	174	-0.2038	0.1991	0.0303
0.85	186	-0.2691	0.2288	0.0305
0.85	198	0.0019	0.2486	0.03
0.85	210	-0.2133	0.1738	0.0303
0.85	222	-0.0969	0.1671	0.0301
0.85	234	-0.0451	0.1407	0.03
0.85	246	0.0071	0.1279	0.03
0.85	258	0.0944	0.13	0.0301
0.85	270	-0.0905	0.1669	0.0301
0.85	282	-0.2383	0.2292	0.0304
0.95	126	0.0997	0.2215	0.0301
0.95	138	-0.2265	0.2083	0.0303
0.95	150	-0.411	0.2015	0.0311
0.95	162	-0.0591	0.2229	0.03
0.95	174	-0.2046	0.1984	0.0303
0.95	186	-0.1576	0.215	0.0302
0.95	198	-0.478	0.2002	0.0315
0.95	210	-0.6999	0.1728	0.0331
0.95	222	-0.3349	0.2252	0.0307
0.95	234	-0.1536	0.2352	0.0302
0.95	246	0.4715	0.2204	0.0314
0.95	258	-0.2348	0.2483	0.0304