CLAS Physics Database

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Measurement E151M2705

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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 :	1295 GeV
ε :	0.8972
E_beam :	1.3383 GeV
ε_L:	0.2556

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	0.1603	0.302	0.0302
0.55	270	-0.1092	0.2964	0.0301
0.55	282	0.6037	0.3224	0.0323
0.65	234	0.4137	0.3056	0.0311
0.65	246	-0.0138	0.2873	0.03
0.65	258	-0.2598	0.235	0.0304
0.65	270	-0.1235	0.2928	0.0301
0.65	282	-0.3352	0.3181	0.0307
0.75	114	0.3175	0.3104	0.0307
0.75	126	0.0665	0.2921	0.03
0.75	138	0.2579	0.2729	0.0304
0.75	150	-0.2586	0.4144	0.0304
0.75	222	-0.4638	0.2765	0.0314
0.75	234	0.1811	0.2875	0.0302
0.75	246	-0.1199	0.2378	0.0301
0.75	258	-0.2682	0.2297	0.0305
0.75	270	-0.0755	0.2778	0.03
0.75	282	-0.4221	0.2513	0.0312
0.85	114	-0.3366	0.2826	0.0307
0.85	126	0.3021	0.2011	0.0306
0.85	138	0.0891	0.2441	0.0301
0.85	150	-0.0246	0.2833	0.03
0.85	162	-0.2523	0.2604	0.0304
0.85	174	-0.1806	0.3328	0.0302
0.85	186	0.3915	0.3159	0.031
0.85	222	0.0061	0.3452	0.03
0.85	234	-0.4846	0.22	0.0315
0.85	246	-0.1404	0.2808	0.0301
0.85	258	0.3569	0.1957	0.0308
0.85	270	-0.032	0.2364	0.03
0.85	282	0.2456	0.2462	0.0304
0.85	294	-0.2687	0.3029	0.0305
0.95	90	-0.0732	0.3688	0.03
0.95	102	-0.3538	0.3809	0.0308
0.95	114	-0.0638	0.3268	0.03
0.95	126	0.4973	0.2616	0.0316
0.95	138	0.1842	0.3488	0.0302
0.95	150	0.2883	0.3632	0.0305
0.95	174	0.6458	0.2397	0.0327
0.95	234	0.3244	0.3367	0.0307
0.95	246	-0.0042	0.3106	0.03
0.95	258	-0.0549	0.3653	0.03
0.95	270	-0.0855	0.3391	0.03
0.95	282	0.1085	0.3867	0.0301
0.15	42	-0.211	0.2614	0.0303
0.55	246	0.1963	0.2519	0.0303
0.55	258	-0.0876	0.1938	0.0301
0.55	270	0.1713	0.1846	0.0302
0.55	282	-0.2611	0.2694	0.0305
0.65	126	0.004	0.2554	0.03
0.65	234	0.3318	0.2507	0.0307
0.65	246	0.0076	0.1806	0.03
0.65	258	-0.2442	0.1749	0.0304
0.65	270	0.0235	0.1752	0.03
0.65	282	0.0801	0.2478	0.03
0.75	114	-0.0679	0.2584	0.03
0.75	126	0.1477	0.1828	0.0301
0.75	138	0.3032	0.1991	0.0306
0.75	150	0.6125	0.1965	0.0324
0.75	162	0.3528	0.2499	0.0308
0.75	174	0.0424	0.2715	0.03
0.75	222	-0.0475	0.2726	0.03
0.75	234	-0.3817	0.2048	0.031
0.75	246	-0.1766	0.1466	0.0302
0.75	258	0.15	0.158	0.0301
0.75	270	-0.2651	0.1652	0.0305
0.75	282	-0.0848	0.1955	0.03
0.85	114	0.0417	0.2102	0.03
0.85	126	0.1762	0.162	0.0302
0.85	138	-0.194	0.1882	0.0302
0.85	150	0.0999	0.2694	0.0301
0.85	162	-0.2584	0.2253	0.0304
0.85	174	0.1607	0.2116	0.0302
0.85	186	0.1225	0.2589	0.0301
0.85	198	-0.0772	0.2661	0.03
0.85	222	-0.1548	0.2374	0.0302
0.85	234	0.027	0.2029	0.03
0.85	246	-0.1125	0.1734	0.0301
0.85	258	0.1213	0.1452	0.0301
0.85	270	-0.0682	0.1462	0.03
0.85	282	-0.3579	0.1684	0.0308
0.95	90	-0.0049	0.2388	0.03
0.95	138	-0.3416	0.2572	0.0308
0.95	150	-0.0202	0.2188	0.03
0.95	162	-0.2788	0.262	0.0305
0.95	234	-0.5194	0.2101	0.0317
0.95	246	-0.6182	0.2441	0.0324
0.95	258	0.1096	0.242	0.0301
0.95	270	-0.0735	0.2186	0.03