CLAS Physics Database

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Measurement E151M3510

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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 :	0.348 GeV²
W :	1535 GeV
ε :	0.9026
E_beam :	2.999 GeV
ε_L:	0.3326

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	66	0.447	0.2558	0.0313
0.15	294	-0.1838	0.2273	0.0302
0.25	294	0.3921	0.2396	0.031
0.35	282	-0.1498	0.2278	0.0301
0.35	294	0.2259	0.2208	0.0303
0.45	102	-0.1097	0.2165	0.0301
0.45	282	-0.1734	0.236	0.0302
0.45	294	0.025	0.2748	0.03
0.55	78	-0.4123	0.2687	0.0311
0.55	90	-0.1849	0.191	0.0302
0.55	102	0.0013	0.1995	0.03
0.55	114	-0.3655	0.2088	0.0309
0.55	306	-0.3055	0.2375	0.0306
0.65	78	0.4215	0.2278	0.0312
0.65	90	0.3787	0.1867	0.0309
0.65	102	-0.0347	0.2227	0.03
0.65	114	-0.7333	0.1835	0.0334
0.65	126	-0.0977	0.2575	0.0301
0.65	222	-0.0734	0.2412	0.03
0.65	234	0.1228	0.225	0.0301
0.65	246	-0.2108	0.2523	0.0303
0.65	258	0.3085	0.2688	0.0306
0.65	294	-0.2467	0.2606	0.0304
0.65	306	-0.079	0.249	0.03
0.75	54	0.3961	0.2113	0.031
0.75	66	0.0988	0.2406	0.0301
0.75	90	0.138	0.2014	0.0301
0.75	102	0.1914	0.1891	0.0302
0.75	114	-0.0741	0.2242	0.03
0.75	126	-0.0348	0.2434	0.03
0.75	138	0.1224	0.2745	0.0301
0.75	198	-0.1733	0.2516	0.0302
0.75	210	-0.0037	0.2304	0.03
0.75	222	-0.0086	0.2242	0.03
0.75	234	-0.3047	0.2088	0.0306
0.75	246	0.004	0.1764	0.03
0.75	258	0.2074	0.1849	0.0303
0.75	270	0.2449	0.2153	0.0304
0.85	54	-0.0399	0.2381	0.03
0.85	66	0.0262	0.1987	0.03
0.85	78	0.388	0.2447	0.031
0.85	90	-0.209	0.268	0.0303
0.85	102	0.1553	0.197	0.0302
0.85	114	0.1182	0.1943	0.0301
0.85	126	-0.2386	0.2363	0.0304
0.85	174	-0.0156	0.2793	0.03
0.85	198	-0.2679	0.2239	0.0305
0.85	210	-0.1052	0.2003	0.0301
0.85	222	-0.1532	0.1877	0.0302
0.85	234	-0.3981	0.206	0.031
0.85	246	0.1658	0.1685	0.0302
0.85	258	0.0725	0.1487	0.03
0.85	270	-0.1271	0.188	0.0301
0.85	282	-0.0207	0.2168	0.03
0.85	294	0.4171	0.2201	0.0311
0.85	306	0.2672	0.2309	0.0305
0.95	54	0.208	0.2724	0.0303
0.95	66	-0.2581	0.2426	0.0304
0.95	78	0.0832	0.2546	0.03
0.95	186	-0.1154	0.2778	0.0301
0.95	210	0.0639	0.2304	0.03
0.95	222	-0.2954	0.1811	0.0306
0.95	234	-0.4673	0.2237	0.0314
0.95	246	-0.1372	0.1905	0.0301
0.95	258	-0.3145	0.1783	0.0307
0.95	270	-0.2693	0.1695	0.0305
0.95	282	0.0379	0.1672	0.03
0.95	294	-0.1952	0.1933	0.0303
0.95	306	0.1744	0.1736	0.0302
0.95	318	0.0332	0.1731	0.03
0.95	330	-0.3725	0.2704	0.0309