CLAS Physics Database

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Measurement E151M2802

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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 :	0.0707 GeV²
W :	1445 GeV
ε :	0.7632
E_beam :	1.3383 GeV
ε_L:	0.1164

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	126	-0.0824	0.2593	0.03
0.55	138	-0.2364	0.2646	0.0304
0.55	222	0.0314	0.2727	0.03
0.55	234	0.1781	0.2276	0.0302
0.55	246	0.3107	0.2065	0.0306
0.65	114	-0.1037	0.283	0.0301
0.65	126	-0.0461	0.2125	0.03
0.65	138	0.0497	0.2091	0.03
0.65	150	0.2898	0.2509	0.0306
0.65	162	0.1229	0.2329	0.0301
0.65	210	0.3383	0.2855	0.0308
0.65	222	0.0849	0.2262	0.03
0.65	234	-0.0976	0.2189	0.0301
0.65	246	0.1294	0.2117	0.0301
0.65	258	-0.2749	0.2257	0.0305
0.75	114	-0.0479	0.2741	0.03
0.75	126	0.0634	0.2034	0.03
0.75	138	0.0028	0.191	0.03
0.75	150	0.2652	0.2285	0.0305
0.75	162	-0.0167	0.2416	0.03
0.75	222	0.1398	0.2118	0.0301
0.75	234	-0.3151	0.1831	0.0307
0.75	246	-0.1412	0.2418	0.0301
0.75	258	-0.173	0.2093	0.0302
0.85	114	0.3183	0.2442	0.0307
0.85	150	0.1863	0.2518	0.0302
0.85	222	-0.0458	0.2319	0.03
0.85	234	-0.0022	0.1966	0.03
0.85	246	-0.023	0.2092	0.03
0.85	258	0.2425	0.1822	0.0304
0.85	270	-0.2018	0.2337	0.0303
0.95	102	0.0525	0.246	0.03
0.95	114	0.3595	0.2467	0.0308
0.95	126	0.0154	0.2424	0.03
0.95	234	-0.4405	0.24	0.0313
0.95	246	-0.085	0.2253	0.03
0.95	258	0.0192	0.2605	0.03
0.95	270	-0.0764	0.2636	0.03
0.45	42	0.6413	0.2742	0.0326
0.55	126	-0.0251	0.2905	0.03
0.55	222	0.0404	0.3138	0.03
0.55	234	-0.0683	0.3467	0.03
0.55	246	-0.152	0.3087	0.0302
0.55	258	-0.6379	0.2263	0.0326
0.65	126	0.0426	0.3252	0.03
0.65	138	0.3121	0.2966	0.0306
0.65	150	0.176	0.3312	0.0302
0.65	210	-0.1917	0.3769	0.0302
0.65	222	-0.3266	0.288	0.0307
0.65	234	-0.3206	0.323	0.0307
0.65	246	-0.0048	0.2621	0.03
0.65	258	-0.6441	0.1954	0.0326
0.75	114	0.2757	0.3583	0.0305
0.75	126	-0.1732	0.3	0.0302
0.75	138	0.2614	0.2952	0.0305
0.75	150	-0.1583	0.3429	0.0302
0.75	210	0.1749	0.3434	0.0302
0.75	222	0.3108	0.2593	0.0306
0.75	234	-0.5998	0.2252	0.0323
0.75	246	0.5397	0.2245	0.0319
0.75	258	-0.0573	0.2899	0.03
0.85	150	0.8832	0.1314	0.0348
0.85	222	-0.4789	0.2677	0.0315
0.85	234	-0.2069	0.2874	0.0303
0.85	246	-0.0292	0.2533	0.03
0.85	258	-0.0952	0.2996	0.0301
0.85	270	-0.5345	0.2567	0.0318
0.95	102	0.4949	0.2897	0.0316
0.95	114	-0.0487	0.386	0.03
0.95	126	0.1514	0.3257	0.0302
0.95	222	0.2526	0.3452	0.0304
0.95	234	-0.2782	0.414	0.0305
0.95	246	0.2855	0.2606	0.0305
0.95	258	0.2878	0.2913	0.0305
0.95	270	-0.2527	0.3686	0.0304