CLAS Physics Database

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Measurement E151M3395

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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 :	0.205 GeV²
W :	1235 GeV
ε :	0.9737
E_beam :	2.999 GeV
ε_L:	0.9733

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	66	-0.1711	0.2229	0.0302
0.25	54	-0.2902	0.2575	0.0306
0.25	66	0.413	0.1674	0.0311
0.35	66	-0.0656	0.1748	0.03
0.35	78	0.1586	0.2175	0.0302
0.35	282	0.1936	0.2249	0.0302
0.35	294	0.1727	0.2607	0.0302
0.45	66	0.1927	0.2117	0.0302
0.45	78	0.0971	0.2123	0.0301
0.45	282	-0.04	0.1824	0.03
0.45	294	-0.0082	0.1743	0.03
0.55	66	-0.5857	0.1946	0.0322
0.55	78	0.1359	0.2598	0.0301
0.55	270	0.0762	0.2038	0.03
0.55	282	0.0205	0.1538	0.03
0.55	294	0.0957	0.1592	0.0301
0.65	66	-0.5396	0.2162	0.0319
0.65	78	-0.0547	0.2042	0.03
0.65	90	-0.1706	0.2433	0.0302
0.65	270	0.0492	0.1379	0.03
0.65	282	0.2259	0.121	0.0303
0.65	294	-0.0418	0.1394	0.03
0.75	66	-0.0996	0.1789	0.0301
0.75	78	-0.0414	0.1603	0.03
0.75	90	-0.0913	0.15	0.0301
0.75	102	-0.1772	0.1721	0.0302
0.75	114	-0.0915	0.2725	0.0301
0.75	258	-0.1075	0.166	0.0301
0.75	270	0.0348	0.1404	0.03
0.75	282	-0.039	0.1427	0.03
0.75	294	0.2326	0.1648	0.0304
0.75	306	0.2903	0.2287	0.0306
0.85	54	-0.4072	0.2151	0.0311
0.85	66	-0.0199	0.1395	0.03
0.85	78	0.0698	0.1354	0.03
0.85	90	0.1393	0.1251	0.0301
0.85	102	-0.0299	0.1286	0.03
0.85	114	-0.1498	0.1689	0.0301
0.85	126	0.1522	0.2629	0.0302
0.85	246	-0.3307	0.2151	0.0307
0.85	258	-0.26	0.1881	0.0304
0.85	270	0.1229	0.1598	0.0301
0.85	282	0.14	0.1437	0.0301
0.85	294	-0.1768	0.1699	0.0302
0.85	306	-0.1249	0.2248	0.0301
0.95	42	0.2127	0.2588	0.0303
0.95	54	-0.2322	0.2112	0.0304
0.95	66	-0.1858	0.1701	0.0302
0.95	78	0.1859	0.1628	0.0302
0.95	90	0.1252	0.1483	0.0301
0.95	102	0.3105	0.1544	0.0306
0.95	114	0.304	0.1729	0.0306
0.95	126	-0.1675	0.1682	0.0302
0.95	138	-0.2219	0.1882	0.0303
0.95	150	0.0914	0.2083	0.0301
0.95	162	-0.0082	0.2466	0.03
0.95	174	0.4534	0.2339	0.0313
0.95	210	0.0578	0.272	0.03
0.95	234	-0.0007	0.2162	0.03
0.95	246	-0.2809	0.2245	0.0305
0.95	258	-0.1088	0.2157	0.0301
0.95	270	-0.0252	0.2046	0.03
0.95	282	0.0192	0.2133	0.03
0.95	294	-0.0389	0.2389	0.03
0.95	306	-0.147	0.269	0.0301