CLAS Physics Database

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Measurement E151M3029

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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 :	0.1205 GeV²
W :	1445 GeV
ε :	0.8902
E_beam :	1.9889 GeV
ε_L:	0.2141

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	306	0.2482	0.2531	0.0304
0.25	54	-0.4681	0.2524	0.0314
0.25	66	-0.3203	0.255	0.0307
0.25	78	-0.2129	0.2257	0.0303
0.25	282	-0.1926	0.2531	0.0302
0.25	294	-0.4235	0.1843	0.0312
0.35	66	0.0255	0.2023	0.03
0.35	78	-0.1949	0.2044	0.0303
0.35	270	0.1167	0.2799	0.0301
0.35	282	-0.246	0.2337	0.0304
0.35	294	0.0754	0.2009	0.03
0.35	306	0.4082	0.2309	0.0311
0.45	66	0.0349	0.2219	0.03
0.45	78	-0.0476	0.206	0.03
0.45	90	0.2307	0.2697	0.0304
0.45	270	-0.1482	0.2517	0.0301
0.45	282	0.1382	0.21	0.0301
0.45	294	-0.3147	0.198	0.0307
0.55	66	0.0975	0.2574	0.0301
0.55	78	-0.1523	0.2279	0.0302
0.55	114	-0.5024	0.1924	0.0316
0.55	126	-0.1827	0.2762	0.0302
0.55	258	-0.078	0.2659	0.03
0.55	270	0.1702	0.218	0.0302
0.55	282	-0.2051	0.1914	0.0303
0.55	294	-0.1363	0.2377	0.0301
0.55	306	-0.6053	0.2057	0.0324
0.65	66	0.1852	0.249	0.0302
0.65	78	-0.0171	0.2863	0.03
0.65	90	0.0633	0.2366	0.03
0.65	102	-0.1711	0.2154	0.0302
0.65	114	0.1946	0.1727	0.0303
0.65	126	0.0573	0.1967	0.03
0.65	138	0.4907	0.1855	0.0316
0.65	210	-0.0707	0.2596	0.03
0.65	222	0.2377	0.2375	0.0304
0.65	234	0.2105	0.2132	0.0303
0.65	246	0.0089	0.1992	0.03
0.65	258	-0.0106	0.2327	0.03
0.65	270	0.1125	0.2647	0.0301
0.65	282	-0.2852	0.2551	0.0305
0.65	294	0.4037	0.2193	0.0311
0.65	306	0.0292	0.2767	0.03
0.75	90	0.1075	0.2304	0.0301
0.75	102	-0.1679	0.1743	0.0302
0.75	114	-0.1293	0.1697	0.0301
0.75	126	0.1663	0.1892	0.0302
0.75	138	0.1836	0.1938	0.0302
0.75	210	-0.6772	0.1698	0.0329
0.75	222	-0.4454	0.1583	0.0313
0.75	234	-0.1043	0.1789	0.0301
0.75	246	-0.1056	0.1884	0.0301
0.75	258	-0.2573	0.182	0.0304
0.85	78	-0.2164	0.2548	0.0303
0.85	102	0.1575	0.2135	0.0302
0.85	114	-0.0799	0.2197	0.03
0.85	126	0.3602	0.1725	0.0309
0.85	138	-0.1103	0.2391	0.0301
0.85	150	0.1472	0.2927	0.0301
0.85	198	0.3047	0.2224	0.0306
0.85	210	0.1044	0.228	0.0301
0.85	222	-0.2959	0.1952	0.0306
0.85	234	-0.3754	0.1595	0.0309
0.85	246	0.2144	0.1617	0.0303
0.85	258	0.0653	0.1915	0.03
0.85	270	-0.3301	0.1675	0.0307
0.85	282	0.4446	0.2248	0.0313
0.95	90	0.4011	0.2125	0.0311
0.95	102	-0.0529	0.2569	0.03
0.95	210	0.1091	0.2552	0.0301
0.95	222	0.3051	0.2749	0.0306
0.95	234	-0.3389	0.2168	0.0308
0.95	246	-0.1708	0.2053	0.0302
0.95	258	0.3724	0.2118	0.0309
0.95	270	-0.2747	0.2097	0.0305
0.95	282	0.1871	0.2624	0.0302