CLAS Physics Database

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Measurement E151M2932

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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 :	0.0496 GeV²
W :	1265 GeV
ε :	0.9664
E_beam :	1.9889 GeV
ε_L:	0.2851

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	306	-0.0365	0.2295	0.03
0.25	78	0.0512	0.2737	0.03
0.25	294	-0.2119	0.2382	0.0303
0.25	306	0.166	0.2	0.0302
0.35	66	0.0465	0.1771	0.03
0.35	78	-0.0953	0.1482	0.0301
0.35	294	0.0847	0.1859	0.03
0.35	306	0.1224	0.2079	0.0301
0.45	66	-0.1691	0.1791	0.0302
0.45	78	0.03	0.1216	0.03
0.45	90	0.1516	0.1607	0.0302
0.45	270	-0.5178	0.2314	0.0317
0.45	282	0.0714	0.2086	0.03
0.45	294	0.2576	0.2137	0.0304
0.55	66	-0.0069	0.2908	0.03
0.55	78	0.109	0.1359	0.0301
0.55	90	0.2799	0.1296	0.0305
0.55	102	0.2134	0.2265	0.0303
0.55	258	-0.3593	0.1679	0.0308
0.55	270	-0.158	0.1717	0.0302
0.55	282	0.0204	0.1807	0.03
0.55	294	-0.1129	0.3003	0.0301
0.65	78	-0.0049	0.191	0.03
0.65	90	0.2034	0.156	0.0303
0.65	102	-0.2693	0.218	0.0305
0.65	114	0.0395	0.2275	0.03
0.65	234	0.42	0.2241	0.0312
0.65	246	-0.3413	0.1534	0.0308
0.65	258	0.0981	0.1383	0.0301
0.65	270	-0.2601	0.1425	0.0304
0.65	282	0.2467	0.1869	0.0304
0.75	90	-0.2674	0.2418	0.0305
0.75	102	0.0749	0.2125	0.03
0.75	114	-0.0037	0.1739	0.03
0.75	126	0.2447	0.153	0.0304
0.75	138	0.0158	0.1543	0.03
0.75	150	0.53	0.1823	0.0318
0.75	222	-0.4401	0.2191	0.0313
0.75	234	-0.0955	0.1661	0.0301
0.75	246	0.1146	0.1418	0.0301
0.75	258	-0.0746	0.1259	0.03
0.75	270	-0.0222	0.152	0.03
0.75	282	-0.1923	0.2519	0.0302
0.85	102	-0.0599	0.2329	0.03
0.85	114	-0.0425	0.1514	0.03
0.85	126	0.1119	0.136	0.0301
0.85	138	-0.1783	0.1416	0.0302
0.85	150	-0.1367	0.1543	0.0301
0.85	162	-0.1998	0.1809	0.0303
0.85	174	0.3161	0.1793	0.0307
0.85	186	0.2234	0.239	0.0303
0.85	198	0.0196	0.2872	0.03
0.85	210	-0.3069	0.2657	0.0306
0.85	222	-0.2526	0.1728	0.0304
0.85	234	0.0967	0.1662	0.0301
0.85	246	0.0957	0.1395	0.0301
0.85	258	-0.2741	0.1367	0.0305
0.85	270	0.2178	0.2199	0.0303
0.95	126	0.0673	0.2264	0.03
0.95	138	0.332	0.1863	0.0307
0.95	150	0.1305	0.1952	0.0301
0.95	162	0.3095	0.1752	0.0306
0.95	174	-0.0144	0.2082	0.03
0.95	186	-0.0095	0.2505	0.03
0.95	222	0.4088	0.2278	0.0311
0.95	234	0.1801	0.2532	0.0302