CLAS Physics Database

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Measurement E151M2725

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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 :	0.0707 GeV²
W :	1325 GeV
ε :	0.8712
E_beam :	1.3383 GeV
ε_L:	0.2426

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
0.55	258	-0.141	0.1811	0.0309
0.55	270	-0.2294	0.1824	0.0304
0.65	126	0.0072	0.2036	0.03
0.65	234	-0.434	0.1884	0.0317
0.65	246	0.0407	0.1545	0.0302
0.65	258	-0.0411	0.1479	0.03
0.65	270	-0.0722	0.1496	0.03
0.75	114	0.5913	0.2826	0.0322
0.75	126	-0.1581	0.269	0.0302
0.75	138	-0.2644	0.2816	0.0305
0.75	150	0.1221	0.3006	0.0301
0.75	162	-0.7841	0.203	0.0339
0.75	174	0.5358	0.2382	0.0319
0.75	222	-0.1314	0.3724	0.0301
0.75	234	0.0292	0.2797	0.03
0.75	246	0.0199	0.2622	0.03
0.75	258	-0.3455	0.2572	0.0308
0.75	270	-0.5313	0.2604	0.0318
0.85	102	0.0805	0.4	0.03
0.85	114	-0.1693	0.2793	0.0302
0.85	126	-0.1508	0.2555	0.0302
0.85	138	0.2658	0.2265	0.0305
0.85	150	-0.1211	0.3159	0.0301
0.85	162	-0.4596	0.2642	0.0314
0.85	174	-0.1534	0.3363	0.0302
0.85	186	0.407	0.3871	0.0311
0.85	234	-0.0307	0.2788	0.03
0.85	246	0.4948	0.2267	0.0316
0.85	258	0.0062	0.2409	0.03
0.85	270	-0.0227	0.2629	0.03
0.85	282	0.3475	0.243	0.0308
0.95	90	0.2134	0.291	0.0303
0.95	102	-0.2139	0.3823	0.0303
0.95	126	0.1939	0.3526	0.0302
0.95	138	0.1286	0.3421	0.0301
0.95	150	-0.0246	0.3653	0.03
0.95	162	0.627	0.2217	0.0325
0.95	174	-0.0909	0.3974	0.0301
0.95	234	0.1124	0.389	0.0301
0.95	246	-0.1581	0.3465	0.0302
0.95	258	-0.3087	0.2636	0.0306
0.95	270	0.0191	0.3053	0.03
0.65	282	-0.2967	0.2497	0.0306
0.75	114	-0.2544	0.2299	0.0304
0.75	126	0.2222	0.1926	0.0303
0.75	138	0.1099	0.2307	0.0301
0.75	150	0.483	0.1925	0.0315
0.75	162	0.1294	0.2493	0.0301
0.75	222	-0.3657	0.2477	0.0309
0.75	234	-0.1805	0.1816	0.0302
0.75	246	-0.2422	0.1634	0.0304
0.75	258	-0.2151	0.1702	0.0303
0.75	270	-0.4273	0.1729	0.0312
0.75	282	0.1365	0.2432	0.0301
0.85	114	0.2445	0.1861	0.0304
0.85	126	-0.004	0.1978	0.03
0.85	138	-0.0869	0.2184	0.0301
0.85	150	0.1724	0.1945	0.0302
0.85	162	0.053	0.2227	0.03
0.85	174	-0.0956	0.2711	0.0301
0.85	222	-0.1823	0.2382	0.0302
0.85	234	-0.2664	0.2115	0.0305
0.85	246	0.277	0.1938	0.0305
0.85	258	-0.1158	0.163	0.0301
0.85	270	0.0821	0.1688	0.03
0.85	282	0.0816	0.1716	0.03
0.95	90	0.1995	0.2282	0.0303
0.95	102	0.1099	0.2207	0.0301
0.95	114	-0.0523	0.2557	0.03
0.95	126	0.124	0.2367	0.0301
0.95	138	0.1149	0.2373	0.0301
0.95	150	-0.0261	0.2667	0.03
0.95	234	0.1893	0.2707	0.0302
0.95	246	-0.3575	0.2039	0.0308
0.95	258	0.5933	0.2022	0.0323
0.95	270	0.2564	0.2068	0.0304
0.95	282	-0.1874	0.2389	0.0302