CLAS Physics Database

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Measurement E151M2742

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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 :	1355 GeV
ε :	0.8632
E_beam :	1.3383 GeV
ε_L:	0.1492

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	234	0.1738	0.2834	0.0302
0.55	246	-0.0425	0.3488	0.03
0.55	258	-0.1522	0.3192	0.0302
0.55	270	-0.5886	0.2798	0.0322
0.65	126	-0.6223	0.2364	0.0325
0.65	138	-0.2092	0.2495	0.0303
0.65	150	-0.0583	0.2975	0.03
0.65	222	0.0764	0.4009	0.03
0.65	234	0.2369	0.3241	0.0304
0.65	246	0.2947	0.2512	0.0306
0.65	258	-0.0808	0.2607	0.03
0.65	270	-0.6808	0.2345	0.0329
0.75	114	-0.5947	0.2681	0.0323
0.75	126	0.1201	0.2838	0.0301
0.75	138	0.1352	0.296	0.0301
0.75	150	-0.1761	0.2562	0.0302
0.75	162	0.2424	0.3368	0.0304
0.75	174	-0.6601	0.3127	0.0328
0.75	222	0.0822	0.4196	0.03
0.75	234	-0.1676	0.2708	0.0302
0.75	246	0.0413	0.2418	0.03
0.75	258	-0.0267	0.2318	0.03
0.75	270	0.1402	0.3866	0.0301
0.85	102	0.0438	0.3789	0.03
0.85	114	-0.3787	0.3071	0.0309
0.85	126	-0.0844	0.377	0.03
0.85	138	0.5331	0.2053	0.0318
0.85	162	0.1543	0.3831	0.0302
0.85	222	0.0898	0.3392	0.0301
0.85	234	-0.1537	0.2667	0.0302
0.85	246	-0.1799	0.2542	0.0302
0.85	258	-0.0868	0.2396	0.0301
0.85	270	-0.0697	0.2541	0.03
0.85	282	0.5276	0.2524	0.0318
0.95	102	0.0393	0.3433	0.03
0.95	114	0.5853	0.2477	0.0322
0.95	126	-0.27	0.3386	0.0305
0.95	234	0.1783	0.3121	0.0302
0.95	246	-0.8158	0.148	0.0341
0.95	258	0.1173	0.3389	0.0301
0.95	270	0.2523	0.3645	0.0304
0.15	42	-0.2606	0.2729	0.0304
0.25	42	0.1177	0.252	0.0301
0.55	234	-0.3869	0.2376	0.031
0.55	246	0.0925	0.2195	0.0301
0.55	258	0.2354	0.2285	0.0304
0.65	126	-0.0176	0.2319	0.03
0.65	138	0.4459	0.2269	0.0313
0.65	150	-0.3386	0.2419	0.0308
0.65	222	-0.0735	0.2241	0.03
0.65	234	-0.1885	0.2116	0.0302
0.65	246	0.2356	0.1646	0.0304
0.65	258	-0.4682	0.1753	0.0314
0.65	270	0.0554	0.2117	0.03
0.75	114	0.1001	0.2462	0.0301
0.75	126	-0.364	0.1961	0.0309
0.75	138	-0.008	0.1683	0.03
0.75	150	0.0008	0.1969	0.03
0.75	162	0.5238	0.1987	0.0318
0.75	174	0.2212	0.2774	0.0303
0.75	210	-0.6103	0.2543	0.0324
0.75	222	-0.1912	0.1989	0.0302
0.75	234	-0.3851	0.1905	0.031
0.75	246	-0.1725	0.1475	0.0302
0.75	258	0.3623	0.179	0.0309
0.75	270	0.2786	0.2556	0.0305
0.85	114	0.0616	0.2658	0.03
0.85	126	-0.3364	0.2053	0.0307
0.85	138	-0.1594	0.2075	0.0302
0.85	150	0.1853	0.2361	0.0302
0.85	162	0.596	0.2216	0.0323
0.85	222	-0.1637	0.2217	0.0302
0.85	234	-0.1424	0.1941	0.0301
0.85	246	-0.0504	0.1752	0.03
0.85	258	-0.0049	0.1678	0.03
0.85	270	-0.1742	0.1878	0.0302
0.85	282	0.0105	0.2582	0.03
0.95	102	0.4736	0.2573	0.0315
0.95	114	0.2176	0.2169	0.0303
0.95	126	0.2207	0.249	0.0303
0.95	138	-0.0372	0.2759	0.03
0.95	246	0.064	0.2246	0.03
0.95	258	-0.0961	0.2223	0.0301
0.95	270	-0.085	0.2202	0.03