CLAS Physics Database

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Measurement E151M3006

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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 :	0.0348 GeV²
W :	1415 GeV
ε :	0.9292
E_beam :	1.9889 GeV
ε_L:	0.0851

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	78	-0.2751	0.2607	0.0305
0.25	294	-0.5958	0.2001	0.0323
0.25	306	-0.5296	0.2331	0.0318
0.35	66	0.1986	0.1812	0.0303
0.35	78	0.2706	0.2098	0.0305
0.35	90	0.188	0.2729	0.0302
0.35	282	-0.0173	0.1928	0.03
0.35	294	-0.3127	0.1607	0.0306
0.45	66	0.0476	0.1975	0.03
0.45	78	0.0397	0.1533	0.03
0.45	90	0.1018	0.1833	0.0301
0.45	270	-0.0706	0.2443	0.03
0.45	282	-0.3648	0.1938	0.0309
0.45	294	-0.091	0.1609	0.0301
0.45	306	-0.3583	0.2594	0.0308
0.55	78	0.0803	0.1648	0.03
0.55	90	-0.1711	0.1752	0.0302
0.55	114	-0.4015	0.2154	0.0311
0.55	126	-0.1176	0.2229	0.0301
0.55	222	0.426	0.2341	0.0312
0.55	234	0.1941	0.2555	0.0303
0.55	246	-0.0105	0.2346	0.03
0.55	258	-0.5852	0.1769	0.0322
0.55	270	-0.0033	0.1823	0.03
0.55	282	-0.0082	0.1743	0.03
0.55	294	-0.0243	0.1981	0.03
0.65	66	0.0721	0.224	0.03
0.65	78	0.0701	0.188	0.03
0.65	90	0.1509	0.2208	0.0302
0.65	102	0.143	0.2781	0.0301
0.65	114	-0.0369	0.1751	0.03
0.65	126	0.3182	0.1724	0.0307
0.65	138	-0.4769	0.176	0.0315
0.65	150	-0.1172	0.2137	0.0301
0.65	210	-0.2374	0.2197	0.0304
0.65	222	0.001	0.1938	0.03
0.65	234	-0.065	0.1619	0.03
0.65	246	-0.0253	0.1761	0.03
0.65	258	0.4063	0.1852	0.0311
0.65	270	0.2133	0.2285	0.0303
0.65	282	0.4289	0.204	0.0312
0.65	294	-0.2074	0.2304	0.0303
0.75	78	0.1252	0.2491	0.0301
0.75	102	-0.2907	0.2454	0.0306
0.75	114	-0.0122	0.2174	0.03
0.75	126	0.2666	0.1667	0.0305
0.75	138	-0.0711	0.1956	0.03
0.75	150	0.4264	0.2038	0.0312
0.75	162	-0.3855	0.2901	0.031
0.75	210	-0.1052	0.213	0.0301
0.75	222	0.05	0.156	0.03
0.75	234	0.1372	0.1457	0.0301
0.75	246	-0.0304	0.1522	0.03
0.75	258	-0.3838	0.2117	0.031
0.75	270	0.2055	0.2972	0.0303
0.75	282	-0.3817	0.2465	0.031
0.85	114	0.0751	0.2855	0.03
0.85	126	-0.2969	0.2505	0.0306
0.85	138	-0.0931	0.2454	0.0301
0.85	150	0.1066	0.2617	0.0301
0.85	210	0.2309	0.209	0.0304
0.85	222	-0.2757	0.1642	0.0305
0.85	234	0.0914	0.1548	0.0301
0.85	246	0.008	0.1666	0.03
0.85	258	0.0679	0.2059	0.03
0.95	222	0.4387	0.2584	0.0313
0.95	234	0.2349	0.2648	0.0304