CLAS Physics Database

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Measurement E151M2727

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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 :	0.101 GeV²
W :	1325 GeV
ε :	0.852
E_beam :	1.3383 GeV
ε_L:	0.3179

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	0.2703	0.3175	0.0305
0.65	234	0.5083	0.253	0.0317
0.65	246	-0.3921	0.3069	0.031
0.65	258	0.3582	0.2445	0.0308
0.65	270	-0.1749	0.2808	0.0302
0.65	282	0.6213	0.2486	0.0325
0.75	114	0.2637	0.3305	0.0305
0.75	126	0.3047	0.2996	0.0306
0.75	138	-0.2605	0.3663	0.0304
0.75	162	0.2383	0.345	0.0304
0.75	222	-0.7405	0.1623	0.0335
0.75	234	0.1247	0.3318	0.0301
0.75	246	0.2778	0.2412	0.0305
0.75	258	-0.078	0.266	0.03
0.75	270	-0.3973	0.2401	0.031
0.75	282	0.0098	0.3115	0.03
0.85	102	0.5481	0.2462	0.0319
0.85	114	0.3987	0.2527	0.031
0.85	126	-0.0176	0.2522	0.03
0.85	138	0.1377	0.2688	0.0301
0.85	150	-0.107	0.3136	0.0301
0.85	162	0.2133	0.2943	0.0303
0.85	174	-0.233	0.3542	0.0304
0.85	234	0.0818	0.3426	0.03
0.85	246	0.1445	0.2747	0.0301
0.85	258	-0.0919	0.2543	0.0301
0.85	270	0.1831	0.2596	0.0302
0.85	282	-0.0176	0.2604	0.03
0.85	294	-0.1558	0.3273	0.0302
0.95	78	0.0829	0.317	0.03
0.95	90	-0.0623	0.3217	0.03
0.95	102	0.1122	0.3427	0.0301
0.95	114	0.6912	0.2371	0.033
0.95	138	-0.1884	0.3988	0.0302
0.95	162	-0.4213	0.2901	0.0312
0.95	246	-0.1569	0.322	0.0302
0.95	258	0.5237	0.2598	0.0318
0.95	270	-0.3394	0.3137	0.0308
0.95	282	-0.2718	0.3091	0.0305
0.55	270	0.5635	0.1962	0.032
0.65	114	0.2436	0.2609	0.0304
0.65	246	-0.1633	0.2341	0.0302
0.65	258	0.1885	0.2016	0.0302
0.65	270	0.1543	0.1846	0.0302
0.65	282	-0.4441	0.2335	0.0313
0.75	102	-0.2334	0.2543	0.0304
0.75	114	0.1291	0.2665	0.0301
0.75	126	-0.1911	0.2014	0.0302
0.75	138	0.1635	0.2554	0.0302
0.75	150	0.0866	0.2724	0.03
0.75	222	0.0423	0.2709	0.03
0.75	234	-0.1159	0.1898	0.0301
0.75	246	0.0567	0.1729	0.03
0.75	258	-0.2774	0.1727	0.0305
0.75	270	-0.3787	0.1717	0.0309
0.75	282	-0.5271	0.2206	0.0318
0.85	114	0.0258	0.1867	0.03
0.85	126	0.2085	0.1622	0.0303
0.85	138	0.2734	0.2024	0.0305
0.85	150	-0.1699	0.2177	0.0302
0.85	162	0.0801	0.2206	0.03
0.85	174	0.1173	0.2295	0.0301
0.85	234	-0.0402	0.222	0.03
0.85	246	-0.1889	0.1943	0.0302
0.85	258	0.1424	0.1989	0.0301
0.85	270	0.2004	0.19	0.0303
0.85	282	-0.0492	0.1839	0.03
0.85	294	-0.2484	0.2102	0.0304
0.95	66	0.0323	0.2851	0.03
0.95	78	0.4994	0.2491	0.0316
0.95	90	0.4198	0.1884	0.0312
0.95	102	-0.3302	0.2268	0.0307
0.95	126	-0.0342	0.274	0.03
0.95	138	0.1341	0.2189	0.0301
0.95	150	0.1374	0.2302	0.0301
0.95	234	0.1841	0.2374	0.0302
0.95	246	-0.1039	0.2289	0.0301
0.95	258	0.0027	0.2106	0.03
0.95	270	-0.1079	0.1918	0.0301
0.95	282	-0.3528	0.2405	0.0308
0.95	294	-0.0551	0.2829	0.03