CLAS Physics Database

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Measurement E151M3330

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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 :	1595 GeV
ε :	0.8664
E_beam :	2.2596 GeV
ε_L:	0.0718

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
0.45	282	-0.1978	0.243	0.0303
0.55	114	0.5624	0.2087	0.032
0.55	126	-0.1872	0.1979	0.0302
0.55	210	-0.0673	0.2578	0.03
0.55	258	0.5203	0.2582	0.0318
0.65	66	0.2823	0.2193	0.0305
0.65	114	-0.4447	0.2389	0.0313
0.65	126	-0.0153	0.2324	0.03
0.65	138	0.2445	0.2099	0.0304
0.65	210	-0.2608	0.2178	0.0304
0.65	222	-0.0309	0.1982	0.03
0.65	294	-0.0478	0.2317	0.03
0.75	126	-0.0497	0.2013	0.03
0.75	138	0.1765	0.2127	0.0302
0.75	150	-0.4674	0.2208	0.0314
0.75	210	0.1137	0.2237	0.0301
0.75	222	0.4159	0.2391	0.0311
0.75	234	0.476	0.212	0.0315
0.75	270	0.1636	0.2454	0.0302
0.75	282	-0.2494	0.2435	0.0304
0.75	294	-0.1161	0.2125	0.0301
0.85	102	0.4313	0.2219	0.0312
0.85	114	-0.3255	0.2121	0.0307
0.85	210	0.06	0.2084	0.03
0.85	222	-0.1523	0.2074	0.0302
0.85	234	-0.0201	0.227	0.03
0.85	246	-0.0417	0.2455	0.03
0.85	270	-0.1627	0.2388	0.0302
0.95	222	-0.4438	0.2371	0.0313
0.95	234	0.0873	0.2487	0.0301
0.35	282	-0.1904	0.2436	0.0302
0.45	126	0.4116	0.2386	0.0311
0.45	282	0.4933	0.184	0.0316
0.55	126	0.2874	0.2199	0.0305
0.55	138	-0.2346	0.216	0.0304
0.55	270	0.1085	0.2382	0.0301
0.65	114	-0.3543	0.1828	0.0308
0.65	126	0.079	0.2036	0.03
0.65	210	-0.1719	0.245	0.0302
0.65	234	-0.148	0.2151	0.0301
0.65	282	0.5037	0.2122	0.0316
0.65	294	-0.0108	0.2266	0.03
0.75	114	0.06	0.259	0.03
0.75	126	0.0631	0.2015	0.03
0.75	138	0.2328	0.204	0.0304
0.75	198	-0.0225	0.2384	0.03
0.75	210	-0.2455	0.234	0.0304
0.75	222	0.2578	0.2129	0.0304
0.75	234	0.0296	0.2221	0.03
0.75	270	-0.4635	0.2405	0.0314
0.75	282	0.2878	0.1858	0.0305
0.85	90	0.063	0.2605	0.03
0.85	102	0.2486	0.1762	0.0304
0.85	114	-0.2143	0.1972	0.0303
0.85	198	-0.0344	0.2261	0.03
0.85	210	-0.2206	0.1971	0.0303
0.85	222	0.2637	0.1836	0.0305
0.85	234	0.0428	0.2224	0.03
0.85	246	-0.1269	0.2114	0.0301