CLAS Physics Database

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Measurement E151M3184

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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 :	0.0593 GeV²
W :	1265 GeV
ε :	0.9729
E_beam :	2.2596 GeV
ε_L:	0.3345

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
0.35	66	-0.1509	0.2456	0.0302
0.45	78	0.0323	0.1868	0.03
0.55	78	0.2807	0.1839	0.0305
0.55	90	0.0029	0.2442	0.03
0.55	270	-0.0427	0.2636	0.03
0.65	246	-0.2092	0.2354	0.0303
0.65	258	-0.3023	0.1842	0.0306
0.65	270	-0.1695	0.1689	0.0302
0.75	114	-0.0379	0.2637	0.03
0.75	138	0.1255	0.2512	0.0301
0.75	234	-0.0044	0.2256	0.03
0.75	246	-0.2407	0.2145	0.0304
0.75	258	-0.1337	0.1765	0.0301
0.75	270	-0.173	0.177	0.0302
0.85	114	0.0708	0.218	0.03
0.85	126	0.4688	0.1995	0.0314
0.85	138	0.2394	0.1866	0.0304
0.85	150	-0.4237	0.2096	0.0312
0.85	162	0.1691	0.2514	0.0302
0.85	234	-0.2199	0.2234	0.0303
0.85	246	-0.1355	0.1895	0.0301
0.85	258	0.0574	0.1683	0.03
0.85	270	0.0018	0.2651	0.03
0.95	126	0.2371	0.2486	0.0304
0.95	138	0.2628	0.03
0.95	174	-0.1226	0.2607	0.0301
0.25	294	0.0324	0.2527	0.03
0.25	306	0.4373	0.2365	0.0312
0.35	66	0.0891	0.2567	0.0301
0.35	78	-0.1316	0.2451	0.0301
0.35	294	0.3271	0.2211	0.0307
0.35	306	-0.0277	0.2731	0.03
0.45	66	0.1368	0.2541	0.0301
0.45	78	0.2387	0.1653	0.0304
0.45	90	0.0325	0.2537	0.03
0.55	78	0.1776	0.1646	0.0302
0.55	90	-0.1741	0.2149	0.0302
0.55	270	0.1328	0.2087	0.0301
0.65	78	0.0342	0.2613	0.03
0.65	90	-0.3994	0.2451	0.031
0.65	258	-0.419	0.1768	0.0311
0.65	270	-0.0662	0.181	0.03
0.65	282	0.2912	0.208	0.0306
0.75	102	0.3131	0.2141	0.0306
0.75	114	-0.2505	0.2111	0.0304
0.75	126	-0.2516	0.2094	0.0304
0.75	234	0.2329	0.227	0.0304
0.75	246	0.0633	0.173	0.03
0.75	258	-0.0945	0.1536	0.0301
0.75	270	-0.0003	0.1792	0.03
0.85	102	0.3896	0.2162	0.031
0.85	114	-0.121	0.1762	0.0301
0.85	126	-0.2254	0.1781	0.0303
0.85	138	-0.2286	0.1869	0.0303
0.85	150	0.1829	0.1895	0.0302
0.85	162	0.5456	0.1672	0.0319
0.85	174	-0.1535	0.228	0.0302
0.85	234	0.018	0.1975	0.03
0.85	246	0.2257	0.1697	0.0303
0.85	258	0.0628	0.1817	0.03
0.85	270	-0.3922	0.1948	0.031
0.95	114	-0.1394	0.2647	0.0301
0.95	138	0.495	0.2062	0.0316
0.95	150	-0.071	0.2378	0.03
0.95	162	-0.2954	0.2269	0.0306
0.95	174	-0.0492	0.2494	0.03