CLAS Physics Database

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Measurement E151M3044

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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 :	1475 GeV
ε :	0.8755
E_beam :	1.9889 GeV
ε_L:	0.1854

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	-0.1264	0.2775	0.0301
0.25	54	0.3292	0.2314	0.0307
0.25	66	-0.038	0.1942	0.03
0.25	294	0.1078	0.2625	0.0301
0.35	66	-0.0014	0.1989	0.03
0.35	78	-0.2962	0.2169	0.0306
0.35	270	-0.0378	0.276	0.03
0.35	282	-0.0617	0.1894	0.03
0.35	294	0.1132	0.2229	0.0301
0.35	306	0.04	0.2492	0.03
0.45	66	-0.2191	0.2248	0.0303
0.45	78	-0.0801	0.1939	0.03
0.45	270	-0.1375	0.2801	0.0301
0.45	282	0.0604	0.1837	0.03
0.45	294	0.1389	0.2053	0.0301
0.55	66	0.4883	0.1982	0.0315
0.55	78	0.0974	0.2453	0.0301
0.55	90	-0.3229	0.2473	0.0307
0.55	102	0.0747	0.2551	0.03
0.55	114	0.1421	0.2228	0.0301
0.55	126	0.357	0.2021	0.0308
0.55	234	0.4994	0.2229	0.0316
0.55	270	-0.2415	0.2471	0.0304
0.55	282	0.5888	0.1805	0.0322
0.55	306	-0.5935	0.2283	0.0323
0.65	54	-0.6001	0.2325	0.0323
0.65	66	0.1844	0.2332	0.0302
0.65	90	0.4182	0.2639	0.0311
0.65	102	-0.3078	0.1862	0.0306
0.65	114	0.1149	0.1685	0.0301
0.65	126	-0.4672	0.1753	0.0314
0.65	138	0.0479	0.2333	0.03
0.65	222	-0.0067	0.2188	0.03
0.65	234	-0.3095	0.2173	0.0306
0.65	246	-0.2309	0.2393	0.0304
0.65	258	-0.0039	0.2409	0.03
0.65	270	-0.1483	0.2191	0.0301
0.65	294	0.0296	0.2465	0.03
0.65	306	-0.043	0.2497	0.03
0.75	102	-0.0921	0.2003	0.0301
0.75	114	0.2816	0.172	0.0305
0.75	126	0.2472	0.1905	0.0304
0.75	138	0.058	0.2417	0.03
0.75	150	0.1104	0.2772	0.0301
0.75	210	-0.456	0.2266	0.0314
0.75	222	-0.1078	0.2127	0.0301
0.75	234	0.0053	0.1831	0.03
0.75	246	-0.042	0.1683	0.03
0.75	258	0.02	0.2121	0.03
0.75	270	-0.0716	0.2831	0.03
0.75	294	-0.0972	0.2221	0.0301
0.85	90	0.1902	0.1913	0.0302
0.85	102	-0.3276	0.2399	0.0307
0.85	114	-0.2051	0.2092	0.0303
0.85	126	0.0079	0.2041	0.03
0.85	138	0.2363	0.2646	0.0304
0.85	210	0.2396	0.2423	0.0304
0.85	222	-0.0086	0.2044	0.03
0.85	234	-0.0074	0.205	0.03
0.85	246	-0.013	0.1514	0.03
0.85	258	0.0536	0.1852	0.03
0.85	270	0.1056	0.2621	0.0301
0.95	90	0.0621	0.2256	0.03
0.95	102	-0.4069	0.226	0.0311
0.95	222	-0.1565	0.2327	0.0302
0.95	234	-0.0157	0.1947	0.03
0.95	246	-0.0578	0.1845	0.03
0.95	258	-0.0223	0.2059	0.03
0.95	270	0.1794	0.2229	0.0302