CLAS Physics Database

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Measurement E151M3428

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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 :	0.348 GeV²
W :	1325 GeV
ε :	0.9473
E_beam :	2.999 GeV
ε_L:	0.7759

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	54	0.0481	0.2628	0.03
0.05	66	0.525	0.2063	0.0318
0.15	66	-0.3271	0.222	0.0307
0.15	294	-0.0366	0.2652	0.03
0.25	54	-0.1465	0.2665	0.0301
0.25	66	0.0441	0.2431	0.03
0.25	294	-0.2675	0.2329	0.0305
0.35	54	0.1184	0.2765	0.0301
0.35	66	0.3217	0.2677	0.0307
0.35	294	0.1555	0.2729	0.0302
0.45	78	0.0347	0.2633	0.03
0.45	90	-0.4007	0.2367	0.0311
0.45	282	0.0434	0.2565	0.03
0.55	66	0.3368	0.2436	0.0307
0.55	78	-0.1039	0.2293	0.0301
0.55	90	-0.0122	0.2249	0.03
0.55	102	-0.1134	0.2739	0.0301
0.55	270	0.4905	0.2254	0.0316
0.55	282	-0.2654	0.1782	0.0305
0.65	66	-0.2178	0.1978	0.0303
0.65	78	-0.3422	0.1696	0.0308
0.65	90	0.1078	0.1747	0.0301
0.65	102	-0.0695	0.2092	0.03
0.65	258	-0.2332	0.1883	0.0304
0.65	270	0.0327	0.2103	0.03
0.65	282	-0.1702	0.1746	0.0302
0.65	294	0.2867	0.1822	0.0305
0.75	54	0.0713	0.2546	0.03
0.75	66	0.1025	0.2005	0.0301
0.75	78	0.1945	0.144	0.0303
0.75	90	-0.0261	0.1617	0.03
0.75	102	0.1108	0.1706	0.0301
0.75	114	0.1743	0.2234	0.0302
0.75	234	0.2948	0.243	0.0306
0.75	246	0.1556	0.2312	0.0302
0.75	258	-0.0521	0.1841	0.03
0.75	270	-0.2056	0.1578	0.0303
0.75	282	0.0432	0.1802	0.03
0.75	294	0.0889	0.1698	0.0301
0.75	306	-0.0224	0.1909	0.03
0.75	318	-0.0375	0.2432	0.03
0.85	42	-0.1175	0.2566	0.0301
0.85	66	-0.267	0.1642	0.0305
0.85	78	0.0788	0.1516	0.03
0.85	90	0.0648	0.1893	0.03
0.85	102	0.2945	0.1583	0.0306
0.85	114	0.1031	0.1787	0.0301
0.85	126	-0.1682	0.1957	0.0302
0.85	210	-0.0305	0.2703	0.03
0.85	222	-0.3574	0.2059	0.0308
0.85	234	-0.3373	0.1956	0.0307
0.85	246	0.0582	0.1753	0.03
0.85	258	-0.0629	0.194	0.03
0.85	270	0.0467	0.1687	0.03
0.85	282	0.1448	0.1474	0.0301
0.85	294	-0.0657	0.1665	0.03
0.85	306	0.0854	0.1752	0.03
0.85	318	-0.2873	0.1719	0.0305
0.85	330	-0.1501	0.2547	0.0301
0.95	66	-0.2881	0.1922	0.0305
0.95	78	-0.0679	0.1976	0.03
0.95	90	0.3299	0.1959	0.0307
0.95	102	0.2623	0.179	0.0305
0.95	114	-0.1102	0.2272	0.0301
0.95	126	0.0039	0.2493	0.03
0.95	138	0.0798	0.2569	0.03
0.95	198	-0.1807	0.2419	0.0302
0.95	210	0.3935	0.2199	0.031
0.95	222	0.128	0.2207	0.0301
0.95	234	0.2169	0.218	0.0303
0.95	246	0.0171	0.2026	0.03
0.95	258	0.059	0.1912	0.03
0.95	270	-0.027	0.1792	0.03
0.95	282	0.0858	0.197	0.03
0.95	294	0.1188	0.2429	0.0301
0.95	306	0.3814	0.1719	0.031
0.95	318	0.0674	0.188	0.03
0.95	330	-0.2507	0.2085	0.0304
0.95	342	-0.1834	0.2562	0.0302