CLAS Physics Database

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Measurement E151M2953

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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 :	0.9368
E_beam :	1.9889 GeV
ε_L:	0.5356

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	-0.011	0.2753	0.03
0.25	66	0.027	0.2306	0.03
0.25	78	-0.2002	0.2378	0.0303
0.35	66	-0.093	0.2181	0.0301
0.35	78	0.5969	0.1674	0.0323
0.35	294	0.1726	0.258	0.0302
0.45	66	0.3677	0.1927	0.0309
0.45	78	-0.2828	0.181	0.0305
0.45	270	-0.2063	0.2856	0.0303
0.55	66	0.1753	0.2601	0.0302
0.55	78	0.2682	0.2101	0.0305
0.55	270	0.0651	0.1956	0.03
0.55	282	-0.1514	0.2034	0.0302
0.65	102	0.5836	0.207	0.0322
0.65	258	0.1655	0.2117	0.0302
0.65	270	-0.2081	0.1664	0.0303
0.65	282	-0.1152	0.1974	0.0301
0.75	78	0.0852	0.269	0.03
0.75	90	-0.2672	0.2263	0.0305
0.75	102	0.1075	0.1827	0.0301
0.75	114	0.1317	0.1918	0.0301
0.75	126	0.1511	0.2391	0.0302
0.75	234	-0.0866	0.236	0.03
0.75	246	-0.2102	0.1963	0.0303
0.75	258	-0.2106	0.1753	0.0303
0.75	270	-0.1658	0.1629	0.0302
0.75	282	-0.017	0.1783	0.03
0.75	294	0.0536	0.266	0.03
0.85	78	0.1673	0.2256	0.0302
0.85	90	0.1606	0.1757	0.0302
0.85	102	0.1193	0.169	0.0301
0.85	114	-0.1225	0.1512	0.0301
0.85	126	0.234	0.1599	0.0304
0.85	138	-0.186	0.2173	0.0302
0.85	150	-0.3258	0.2347	0.0307
0.85	162	0.6449	0.1898	0.0327
0.85	222	0.1224	0.2209	0.0301
0.85	234	-0.1289	0.2041	0.0301
0.85	246	-0.1321	0.1797	0.0301
0.85	258	0.1319	0.1618	0.0301
0.85	270	-0.1645	0.1763	0.0302
0.85	282	-0.0461	0.1673	0.03
0.85	294	-0.3226	0.2254	0.0307
0.95	90	0.2309	0.1917	0.0304
0.95	102	-0.2109	0.211	0.0303
0.95	114	-0.1724	0.1967	0.0302
0.95	126	-0.0891	0.2031	0.0301
0.95	138	-0.1268	0.1686	0.0301
0.95	150	-0.2071	0.1989	0.0303
0.95	162	0.0277	0.2572	0.03
0.95	174	0.2655	0.2506	0.0305
0.95	222	0.5299	0.2359	0.0318
0.95	234	0.0311	0.2642	0.03
0.95	246	0.1756	0.2196	0.0302
0.95	258	-0.1092	0.1927	0.0301
0.95	270	-0.439	0.1929	0.0313
0.95	282	-0.1819	0.1787	0.0302