CLAS Physics Database

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Measurement E151M3394

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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 :	0.1715 GeV²
W :	1235 GeV
ε :	0.977
E_beam :	2.999 GeV
ε_L:	0.8855

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	-0.0014	0.1789	0.03
0.35	66	-0.1405	0.1649	0.0301
0.35	78	-0.205	0.2225	0.0303
0.35	294	0.221	0.2444	0.0303
0.45	66	-0.0057	0.1799	0.03
0.45	78	-0.3731	0.1747	0.0309
0.45	282	0.3695	0.1588	0.0309
0.45	294	0.2466	0.1934	0.0304
0.55	78	0.0262	0.2237	0.03
0.55	270	-0.2177	0.1883	0.0303
0.55	282	-0.0367	0.1377	0.03
0.55	294	-0.4318	0.168	0.0312
0.65	78	-0.5365	0.2042	0.0319
0.65	90	-0.1038	0.2435	0.0301
0.65	270	0.1682	0.1433	0.0302
0.65	282	-0.1648	0.1306	0.0302
0.65	294	-0.1368	0.1639	0.0301
0.75	66	0.1153	0.2708	0.0301
0.75	78	0.1654	0.1549	0.0302
0.75	90	0.0908	0.1648	0.0301
0.75	102	-0.3016	0.1763	0.0306
0.75	258	0.1198	0.1632	0.0301
0.75	270	-0.1016	0.1442	0.0301
0.75	282	0.0882	0.1274	0.0301
0.75	294	-0.2742	0.1328	0.0305
0.85	66	0.2424	0.1842	0.0304
0.85	78	-0.1747	0.1347	0.0302
0.85	90	0.0101	0.123	0.03
0.85	102	0.215	0.119	0.0303
0.85	114	0.0215	0.143	0.03
0.85	126	0.0193	0.2566	0.03
0.85	234	0.1953	0.2682	0.0303
0.85	246	-0.2798	0.1873	0.0305
0.85	258	-0.2822	0.1549	0.0305
0.85	270	-0.1518	0.1308	0.0302
0.85	282	-0.3193	0.1428	0.0307
0.85	294	-0.1712	0.1597	0.0302
0.95	42	-0.0966	0.2759	0.0301
0.95	54	-0.1029	0.1906	0.0301
0.95	66	0.0334	0.146	0.03
0.95	78	0.0645	0.151	0.03
0.95	90	-0.1686	0.1479	0.0302
0.95	102	-0.0452	0.1532	0.03
0.95	114	0.1299	0.1369	0.0301
0.95	126	0.1069	0.1641	0.0301
0.95	138	-0.1726	0.1696	0.0302
0.95	150	-0.0822	0.1833	0.03
0.95	162	0.0555	0.2123	0.03
0.95	174	0.0666	0.2037	0.03
0.95	198	0.0929	0.2519	0.0301
0.95	210	0.2676	0.2101	0.0305
0.95	222	0.3411	0.2677	0.0308
0.95	234	-0.0066	0.2363	0.03
0.95	246	0.311	0.1819	0.0306
0.95	258	-0.0407	0.1995	0.03
0.95	270	-0.1926	0.1698	0.0302
0.95	282	0.0891	0.2051	0.0301
0.95	306	-0.2466	0.277	0.0304