CLAS Physics Database

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Measurement E151M3238

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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 :	1385 GeV
ε :	0.9362
E_beam :	2.2596 GeV
ε_L:	0.2961

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
0.25	66	-0.1382	0.2423	0.0301
0.25	294	-0.2725	0.1544	0.0311
0.35	66	-0.0108	0.1589	0.0303
0.35	78	-0.0511	0.2391	0.03
0.35	282	0.069	0.261	0.03
0.35	294	0.2135	0.1633	0.0303
0.45	66	0.0705	0.1609	0.0305
0.45	78	0.2792	0.2007	0.0305
0.45	282	-0.0828	0.2479	0.03
0.45	294	-0.0463	0.1301	0.03
0.55	66	0.1402	0.1718	0.0303
0.65	102	0.1539	0.2048	0.0302
0.65	114	0.0658	0.2213	0.03
0.65	126	-0.0272	0.2554	0.03
0.65	246	-0.0505	0.2402	0.03
0.65	258	0.2235	0.2413	0.0303
0.65	270	0.3507	0.2462	0.0308
0.75	90	0.0011	0.2218	0.03
0.75	102	-0.3497	0.1626	0.0308
0.75	114	-0.0189	0.2077	0.03
0.75	126	-0.1951	0.202	0.0303
0.75	138	-0.1036	0.2284	0.0301
0.75	222	-0.0819	0.2596	0.03
0.75	234	-0.0478	0.1822	0.03
0.75	246	-0.2831	0.1825	0.0305
0.75	258	0.0743	0.1624	0.03
0.75	270	-0.0445	0.2629	0.03
0.85	102	-0.0008	0.1919	0.03
0.85	114	-0.0727	0.1971	0.03
0.85	126	0.132	0.1977	0.0301
0.85	138	-0.1562	0.2269	0.0302
0.85	222	-0.4915	0.2268	0.0316
0.85	234	-0.1024	0.191	0.0301
0.85	246	-0.3086	0.1851	0.0306
0.85	258	-0.0144	0.1654	0.03
0.85	270	-0.0222	0.2143	0.03
0.85	282	-0.0587	0.2117	0.03
0.95	210	-0.3431	0.2463	0.0308
0.95	234	0.1341	0.2353	0.0301
0.95	246	-0.7025	0.1755	0.0331
0.95	258	-0.1193	0.2199	0.0301
0.95	270	-0.2147	0.1804	0.0303
0.95	282	-0.4431	0.2197	0.0313
0.55	78	0.3096	0.244	0.0306
0.55	282	0.0805	0.2197	0.03
0.65	102	-0.5136	0.1796	0.0317
0.65	114	0.0209	0.2188	0.03
0.65	126	-0.1302	0.2451	0.0301
0.65	246	-0.099	0.2308	0.0301
0.65	258	0.2903	0.2152	0.0306
0.75	90	-0.0014	0.1934	0.03
0.75	102	-0.0313	0.1531	0.03
0.75	114	-0.3478	0.1644	0.0308
0.75	126	-0.1003	0.2225	0.0301
0.75	222	-0.0827	0.2533	0.03
0.75	234	0.2916	0.1908	0.0306
0.75	246	-0.1201	0.1885	0.0301
0.75	258	0.0396	0.1705	0.03
0.75	270	0.0041	0.1865	0.03
0.85	90	0.0029	0.2503	0.03
0.85	102	0.1131	0.2028	0.0301
0.85	114	0.2975	0.1597	0.0306
0.85	126	-0.1163	0.1862	0.0301
0.85	138	0.1732	0.2322	0.0302
0.85	210	-0.1996	0.21	0.0303
0.85	222	-0.186	0.2186	0.0302
0.85	234	-0.1381	0.2233	0.0301
0.85	246	-0.237	0.1603	0.0304
0.85	258	-0.2438	0.1768	0.0304
0.85	270	-0.1051	0.164	0.0301
0.85	282	-0.3934	0.1913	0.031
0.95	90	0.2311	0.2194	0.0304
0.95	126	0.3318	0.25	0.0307
0.95	222	0.6806	0.1828	0.0329
0.95	234	-0.0007	0.2144	0.03
0.95	246	-0.3527	0.183	0.0308
0.95	258	-0.1671	0.1992	0.0302
0.95	270	0.1247	0.1879	0.0301
0.95	282	-0.1848	0.2152	0.0302