CLAS Physics Database

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Measurement E151M2707

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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 :	0.0844 GeV²
W :	1295 GeV
ε :	0.8822
E_beam :	1.3383 GeV
ε_L:	0.338

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	-0.2407	0.2518	0.0304
0.55	270	0.0374	0.2258	0.03
0.55	282	-0.0472	0.2588	0.03
0.65	234	-0.3306	0.256	0.0307
0.65	246	0.0762	0.1973	0.03
0.65	258	0.1269	0.1827	0.0301
0.65	270	-0.0667	0.1892	0.03
0.65	282	-0.3191	0.2192	0.0307
0.75	114	-0.149	0.191	0.0301
0.75	126	-0.0795	0.213	0.03
0.75	138	-0.1643	0.2345	0.0302
0.75	150	0.1645	0.276	0.0302
0.75	234	-0.1928	0.2205	0.0302
0.75	246	-0.0391	0.1817	0.03
0.75	258	0.0691	0.1666	0.03
0.75	270	-0.0341	0.1558	0.03
0.75	282	-0.0671	0.1899	0.03
0.75	294	0.1283	0.264	0.0301
0.85	102	0.2705	0.249	0.0305
0.85	114	-0.095	0.1862	0.0301
0.85	126	0.0334	0.1759	0.03
0.85	138	0.2009	0.2062	0.0303
0.85	150	-0.2749	0.2021	0.0305
0.85	162	0.2897	0.2216	0.0306
0.85	174	-0.3647	0.2303	0.0309
0.85	186	0.0157	0.2749	0.03
0.85	222	0.087	0.2137	0.0301
0.85	234	0.2853	0.234	0.0305
0.85	246	0.1388	0.2175	0.0301
0.85	258	-0.2359	0.2049	0.0304
0.85	270	0.1552	0.1748	0.0302
0.85	282	-0.3987	0.162	0.031
0.85	294	-0.0994	0.1972	0.0301
0.95	78	0.0302	0.2218	0.03
0.95	90	0.0889	0.2712	0.0301
0.95	102	-0.2044	0.2644	0.0303
0.95	114	0.6642	0.2391	0.0328
0.95	126	0.0883	0.2444	0.0301
0.95	138	-0.5446	0.2238	0.0319
0.95	150	0.0496	0.2573	0.03
0.95	162	-0.3186	0.2032	0.0307
0.95	174	0.0353	0.2162	0.03
0.95	222	-0.381	0.2651	0.031
0.95	234	0.0573	0.2459	0.03
0.95	246	0.0092	0.2449	0.03
0.95	258	-0.1471	0.2755	0.0301
0.95	270	0.1716	0.2174	0.0302
0.95	282	-0.1432	0.26	0.0301
0.45	270	0.6939	0.2479	0.0331
0.55	258	-0.2057	0.3416	0.0303
0.55	270	0.5483	0.246	0.0319
0.55	282	0.0252	0.3683	0.03
0.65	234	0.2878	0.3327	0.0305
0.65	246	-0.163	0.2704	0.0302
0.65	258	0.2296	0.2525	0.0303
0.65	270	-0.0432	0.2507	0.03
0.65	282	0.2741	0.292	0.0305
0.75	114	-0.2492	0.258	0.0304
0.75	126	0.106	0.2689	0.0301
0.75	138	0.0175	0.3007	0.03
0.75	234	-0.0789	0.3172	0.03
0.75	246	0.0663	0.2371	0.03
0.75	258	-0.4771	0.2223	0.0315
0.75	270	-0.1859	0.2306	0.0302
0.75	282	0.3346	0.2799	0.0307
0.75	294	0.2842	0.3375	0.0305
0.85	102	0.4288	0.2965	0.0312
0.85	114	-0.1442	0.2755	0.0301
0.85	126	0.1948	0.2575	0.0303
0.85	138	0.184	0.2773	0.0302
0.85	150	-0.1097	0.292	0.0301
0.85	162	0.3265	0.3291	0.0307
0.85	174	0.4374	0.3074	0.0312
0.85	234	-0.1178	0.349	0.0301
0.85	246	-0.2848	0.2771	0.0305
0.85	258	0.3071	0.2332	0.0306
0.85	270	0.2889	0.2104	0.0306
0.85	282	0.2071	0.232	0.0303
0.85	294	-0.8682	0.1244	0.0347
0.95	78	0.5208	0.2743	0.0318
0.95	90	0.3086	0.321	0.0306
0.95	102	0.4679	0.2574	0.0314
0.95	114	0.6303	0.2379	0.0325
0.95	126	-0.2797	0.359	0.0305
0.95	138	0.1892	0.3322	0.0302
0.95	150	0.002	0.3159	0.03
0.95	162	-0.0141	0.3314	0.03
0.95	174	0.0925	0.3663	0.0301
0.95	186	-0.3654	0.2844	0.0309
0.95	198	-0.6755	0.2356	0.0329
0.95	246	-0.0275	0.3853	0.03
0.95	258	0.3362	0.2363	0.0307
0.95	270	-0.0878	0.2955	0.0301
0.95	282	-0.5288	0.2638	0.0318