CLAS Physics Database

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Measurement E151M2737

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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 :	0.0205 GeV²
W :	1355 GeV
ε :	0.8822
E_beam :	1.3383 GeV
ε_L:	0.0668

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	30	-0.3289	0.3875	0.0307
0.25	42	-0.0865	0.1765	0.0301
0.35	30	-0.4153	0.2492	0.0311
0.35	42	0.427	0.1771	0.0313
0.45	18	0.7457	0.2235	0.0335
0.45	30	-0.2803	0.3704	0.0305
0.45	42	-0.3701	0.2903	0.0309
0.55	30	-0.4438	0.3302	0.0313
0.55	42	0.0574	0.4114	0.03
0.55	138	0.4095	0.3183	0.0311
0.55	222	0.4989	0.2453	0.0316
0.55	234	-0.2101	0.2681	0.0303
0.55	246	0.1654	0.2483	0.0302
0.55	258	0.3658	0.2703	0.0309
0.65	126	0.0552	0.2887	0.03
0.65	138	0.0269	0.2593	0.03
0.65	150	-0.2942	0.2845	0.0306
0.65	162	0.105	0.4035	0.0301
0.65	210	-0.3001	0.2692	0.0306
0.65	222	-0.1768	0.2723	0.0302
0.65	234	-0.1257	0.2108	0.0301
0.65	246	0.0137	0.2353	0.03
0.65	258	0.0999	0.2768	0.0301
0.75	114	0.0335	0.3882	0.03
0.75	126	0.2601	0.2793	0.0304
0.75	138	0.2206	0.283	0.0303
0.75	150	-0.3623	0.2432	0.0309
0.75	162	0.2837	0.3749	0.0305
0.75	198	0.8391	0.1941	0.0344
0.75	222	0.287	0.2549	0.0305
0.75	234	-0.1821	0.2185	0.0302
0.75	246	0.2711	0.2144	0.0305
0.75	258	-0.2966	0.3031	0.0306
0.85	114	-0.0367	0.3866	0.03
0.85	126	0.3775	0.3628	0.0309
0.85	138	-0.3219	0.3105	0.0307
0.85	150	0.226	0.3012	0.0303
0.85	162	0.3525	0.3114	0.0308
0.85	198	-0.162	0.3952	0.0302
0.85	210	-0.5496	0.2577	0.032
0.85	222	-0.5549	0.2138	0.032
0.85	234	0.2326	0.214	0.0304
0.85	246	-0.5223	0.2031	0.0318
0.85	258	0.3161	0.2359	0.0307
0.85	270	-0.2872	0.3467	0.0305
0.95	126	0.0004	0.4351	0.03
0.95	234	-0.2958	0.3429	0.0306
0.95	246	0.1535	0.3394	0.0302
0.95	258	0.4539	0.2971	0.0313
0.35	54	0.3019	0.2371	0.0306
0.45	18	0.1895	0.2676	0.0302
0.45	30	-0.1403	0.259	0.0301
0.45	42	0.3709	0.2564	0.0309
0.55	30	0.1839	0.2099	0.0302
0.55	42	0.3562	0.2065	0.0308
0.55	138	0.3177	0.2555	0.0307
0.55	150	-0.1457	0.2721	0.0301
0.55	162	0.1166	0.2813	0.0301
0.55	222	-0.0209	0.2091	0.03
0.55	234	0.3631	0.2477	0.0309
0.55	246	-0.099	0.1822	0.0301
0.55	258	-0.0475	0.2231	0.03
0.65	126	0.1242	0.1971	0.0301
0.65	138	0.1047	0.2017	0.0301
0.65	150	-0.1338	0.2053	0.0301
0.65	162	-0.206	0.272	0.0303
0.65	210	-0.1192	0.2414	0.0301
0.65	222	-0.167	0.1725	0.0302
0.65	234	-0.1976	0.1558	0.0303
0.65	246	0.0389	0.151	0.03
0.65	258	-0.0525	0.1884	0.03
0.75	114	0.1493	0.2619	0.0301
0.75	126	-0.3249	0.1867	0.0307
0.75	138	0.194	0.1689	0.0302
0.75	150	0.0302	0.1842	0.03
0.75	162	-0.1579	0.2373	0.0302
0.75	174	-0.1159	0.2855	0.0301
0.75	210	-0.2312	0.2312	0.0304
0.75	222	-0.0708	0.1982	0.03
0.75	234	0.2016	0.1592	0.0303
0.75	246	0.1065	0.1576	0.0301
0.75	258	-0.0924	0.1755	0.0301
0.85	126	-0.054	0.2726	0.03
0.85	138	0.1329	0.2506	0.0301
0.85	150	0.3418	0.2	0.0308
0.85	162	0.5709	0.2334	0.0321
0.85	210	0.0974	0.2597	0.0301
0.85	222	0.0887	0.2223	0.0301
0.85	234	-0.2433	0.1676	0.0304
0.85	246	-0.1057	0.1615	0.0301
0.85	258	0.2349	0.1703	0.0304
0.85	270	-0.3922	0.2385	0.031
0.95	138	-0.2212	0.2615	0.0303
0.95	234	-0.201	0.2866	0.0303
0.95	246	-0.3088	0.2606	0.0306