CLAS Physics Database

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Measurement E151M3031

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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 :	0.1715 GeV²
W :	1445 GeV
ε :	0.8733
E_beam :	1.9889 GeV
ε_L:	0.2773

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	294	-0.042	0.2804	0.03
0.15	306	0.1892	0.2639	0.0302
0.25	66	0.1112	0.2322	0.0301
0.25	78	-0.1483	0.258	0.0301
0.25	294	-0.1167	0.2576	0.0301
0.35	66	-0.1302	0.2355	0.0301
0.35	78	-0.2137	0.2278	0.0303
0.35	282	0.2653	0.2324	0.0305
0.35	294	0.044	0.2383	0.03
0.45	66	0.1086	0.2662	0.0301
0.45	78	0.1424	0.1978	0.0301
0.45	90	-0.0322	0.2928	0.03
0.45	270	-0.2585	0.2414	0.0304
0.45	282	-0.2686	0.2244	0.0305
0.45	294	-0.0335	0.2097	0.03
0.55	78	-0.0689	0.2639	0.03
0.55	102	-0.0402	0.2708	0.03
0.55	114	0.2801	0.2438	0.0305
0.55	282	0.1083	0.2742	0.0301
0.65	102	0.2095	0.1993	0.0303
0.65	114	-0.0978	0.1855	0.0301
0.65	126	-0.1299	0.1911	0.0301
0.65	246	-0.0518	0.2307	0.03
0.65	258	-0.2927	0.2643	0.0306
0.75	90	0.4506	0.1918	0.0313
0.75	102	0.5588	0.161	0.032
0.75	114	0.3039	0.1755	0.0306
0.75	126	-0.1699	0.18	0.0302
0.75	138	0.3033	0.2459	0.0306
0.75	222	-0.4548	0.2262	0.0313
0.75	234	0.0032	0.1948	0.03
0.75	246	-0.2032	0.2169	0.0303
0.75	258	0.1732	0.1842	0.0302
0.75	270	-0.0676	0.2604	0.03
0.85	78	0.4097	0.2059	0.0311
0.85	90	0.011	0.2612	0.03
0.85	102	-0.0044	0.2571	0.03
0.85	114	0.1972	0.202	0.0303
0.85	126	0.4812	0.1884	0.0315
0.85	138	0.2012	0.2225	0.0303
0.85	150	0.0004	0.2733	0.03
0.85	210	0.1523	0.2609	0.0302
0.85	222	-0.2285	0.2228	0.0303
0.85	234	-0.1155	0.2142	0.0301
0.85	246	0.1349	0.1991	0.0301
0.85	258	-0.0925	0.1965	0.0301
0.85	270	-0.4055	0.1732	0.0311
0.85	282	0.4403	0.3029	0.0313
0.95	90	-0.0481	0.2168	0.03
0.95	210	0.1013	0.2596	0.0301
0.95	222	-0.2489	0.229	0.0304
0.95	234	-0.2224	0.2306	0.0303
0.95	246	0.0109	0.2293	0.03
0.95	258	0.0196	0.1826	0.03
0.95	270	-0.3858	0.1722	0.031
0.95	282	-0.2786	0.1996	0.0305