CLAS Physics Database

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Measurement E151M2796

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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 :	0.0245 GeV²
W :	1445 GeV
ε :	0.7992
E_beam :	1.3383 GeV
ε_L:	0.0453

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
0.35	42	-0.7818	0.1937	0.0338
0.35	54	0.0425	0.4325	0.03
0.45	18	-0.1752	0.3425	0.0302
0.45	30	0.3657	0.2667	0.0309
0.45	42	0.4403	0.2255	0.0313
0.45	222	-0.2216	0.35	0.0303
0.45	234	0.1067	0.3415	0.0301
0.45	246	-0.0073	0.3246	0.03
0.55	18	0.2848	0.3684	0.0305
0.55	30	-0.1614	0.3036	0.0302
0.55	42	0.2842	0.3021	0.0305
0.55	126	0.1573	0.366	0.0302
0.55	138	0.2087	0.3052	0.0303
0.55	150	-0.0525	0.3568	0.03
0.55	162	0.3364	0.3226	0.0307
0.55	210	0.2891	0.2608	0.0306
0.55	222	0.4203	0.2369	0.0312
0.55	234	-0.299	0.2209	0.0306
0.55	246	0.2861	0.2336	0.0305
0.65	126	0.0238	0.2612	0.03
0.65	138	0.1309	0.2617	0.0301
0.65	150	-0.1892	0.3104	0.0302
0.65	162	0.0684	0.4149	0.03
0.65	198	-0.1479	0.3565	0.0301
0.65	210	-0.3039	0.2349	0.0306
0.65	222	-0.1393	0.2282	0.0301
0.65	234	-0.0875	0.201	0.0301
0.65	246	0.1437	0.2378	0.0301
0.65	258	-0.3574	0.3464	0.0308
0.75	126	-0.0448	0.2906	0.03
0.75	138	-0.4732	0.2326	0.0315
0.75	150	0.1905	0.3159	0.0302
0.75	162	-0.0671	0.3558	0.03
0.75	210	0.1146	0.3212	0.0301
0.75	222	-0.3004	0.2475	0.0306
0.75	234	-0.2421	0.2084	0.0304
0.75	246	0.0805	0.2466	0.03
0.75	258	-0.4094	0.2967	0.0311
0.85	114	0.2805	0.3415	0.0305
0.85	126	0.4865	0.2702	0.0315
0.85	138	-0.4784	0.2971	0.0315
0.85	210	-0.5483	0.2216	0.0319
0.85	222	0.4921	0.2366	0.0316
0.85	234	0.1654	0.24	0.0302
0.85	246	0.5686	0.1824	0.0321
0.85	258	-0.2356	0.2994	0.0304
0.95	234	0.1864	0.3169	0.0302
0.95	246	-0.8558	0.1416	0.0345
0.15	30	0.1778	0.2752	0.0302
0.25	42	0.0552	0.2603	0.03
0.35	30	0.0879	0.223	0.0301
0.35	42	0.256	0.2243	0.0304
0.45	18	-0.3799	0.2264	0.0309
0.45	30	-0.0709	0.1969	0.03
0.45	42	0.4276	0.2056	0.0312
0.45	222	-0.2561	0.2673	0.0304
0.45	234	0.1527	0.247	0.0302
0.55	18	-0.257	0.2378	0.0304
0.55	30	-0.0654	0.1847	0.03
0.55	42	-0.6133	0.1969	0.0324
0.55	126	-0.2479	0.2369	0.0304
0.55	138	0.4796	0.1897	0.0315
0.55	150	-0.2358	0.2363	0.0304
0.55	162	0.8261	0.2132	0.0342
0.55	210	-0.248	0.2431	0.0304
0.55	222	0.011	0.2255	0.03
0.55	234	0.083	0.191	0.03
0.55	246	0.0741	0.1998	0.03
0.65	114	0.3537	0.2799	0.0308
0.65	126	0.0796	0.1939	0.03
0.65	138	-0.0501	0.1908	0.03
0.65	150	0.2501	0.2134	0.0304
0.65	162	0.4289	0.2432	0.0312
0.65	198	0.451	0.2327	0.0313
0.65	210	0.2599	0.2342	0.0304
0.65	222	-0.0353	0.1514	0.03
0.65	234	-0.0028	0.1507	0.03
0.65	246	0.2053	0.1957	0.0303
0.75	126	0.4828	0.2244	0.0315
0.75	138	-0.0442	0.1865	0.03
0.75	150	0.2198	0.2356	0.0303
0.75	162	-0.2104	0.2813	0.0303
0.75	210	-0.1117	0.2184	0.0301
0.75	222	0.1586	0.1915	0.0302
0.75	234	0.064	0.1671	0.03
0.75	246	-0.1417	0.1845	0.0301
0.75	258	-0.2563	0.2727	0.0304
0.85	114	-0.2716	0.2306	0.0305
0.85	126	-0.3234	0.2666	0.0307
0.85	210	-0.0487	0.2213	0.03
0.85	222	-0.1566	0.2081	0.0302
0.85	234	0.1234	0.1774	0.0301
0.85	246	0.0011	0.1645	0.03
0.85	258	-0.0851	0.209	0.03
0.95	126	0.2387	0.2481	0.0304
0.95	234	-0.1661	0.2238	0.0302
0.95	246	-0.1507	0.2603	0.0302