CLAS Physics Database

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Measurement E151M3418

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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 :	0.348 GeV²
W :	1295 GeV
ε :	0.9516
E_beam :	2.999 GeV
ε_L:	0.8901

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
-0.05	66	-0.0195	0.272	0.03
-0.05	306	-0.1582	0.2739	0.0302
0.05	54	0.0806	0.2757	0.03
0.05	66	0.2234	0.2293	0.0303
0.15	66	-0.2497	0.223	0.0304
0.15	306	0.3469	0.2429	0.0308
0.25	54	0.2511	0.2513	0.0304
0.25	66	-0.0533	0.2414	0.03
0.35	66	0.0671	0.2692	0.03
0.35	294	-0.1481	0.2838	0.0301
0.45	66	-0.028	0.28	0.03
0.45	282	0.0461	0.2843	0.03
0.55	78	-0.0007	0.1984	0.03
0.55	90	-0.097	0.2029	0.0301
0.55	270	0.0987	0.2292	0.0301
0.55	282	-0.2337	0.1715	0.0304
0.55	294	-0.1751	0.2162	0.0302
0.65	66	-0.1368	0.1884	0.0301
0.65	78	-0.0704	0.1885	0.03
0.65	90	-0.2211	0.1789	0.0303
0.65	102	-0.0752	0.2298	0.03
0.65	258	0.2627	0.2381	0.0305
0.65	270	0.1735	0.1716	0.0302
0.65	282	-0.1374	0.1685	0.0301
0.65	294	0.0312	0.1915	0.03
0.65	306	-0.2462	0.2508	0.0304
0.75	66	0.08	0.1764	0.03
0.75	78	-0.002	0.1737	0.03
0.75	90	-0.1111	0.1541	0.0301
0.75	102	0.4039	0.1528	0.0311
0.75	114	0.4122	0.2488	0.0311
0.75	246	-0.2917	0.252	0.0306
0.75	258	0.0856	0.1802	0.03
0.75	270	0.2238	0.1544	0.0303
0.75	282	0.2114	0.1717	0.0303
0.75	294	-0.1238	0.164	0.0301
0.75	306	0.0543	0.1684	0.03
0.75	318	0.0911	0.2463	0.0301
0.85	54	0.3566	0.212	0.0308
0.85	66	0.0817	0.1706	0.03
0.85	78	-0.1084	0.1517	0.0301
0.85	90	0.2481	0.1436	0.0304
0.85	102	0.1615	0.1464	0.0302
0.85	114	0.0555	0.1878	0.03
0.85	126	-0.4787	0.2361	0.0315
0.85	234	-0.0706	0.2181	0.03
0.85	246	-0.0245	0.1918	0.03
0.85	258	0.0597	0.1579	0.03
0.85	270	-0.0954	0.1579	0.0301
0.85	282	-0.0623	0.1618	0.03
0.85	294	0.0263	0.152	0.03
0.85	306	-0.316	0.1531	0.0307
0.85	318	0.047	0.1819	0.03
0.85	330	-0.4484	0.2452	0.0313
0.95	54	0.0376	0.2251	0.03
0.95	66	0.0809	0.1902	0.03
0.95	78	-0.3692	0.206	0.0309
0.95	90	0.0591	0.1941	0.03
0.95	102	0.2254	0.1998	0.0303
0.95	114	0.0378	0.1949	0.03
0.95	126	-0.0706	0.2025	0.03
0.95	234	-0.2669	0.2087	0.0305
0.95	246	0.3677	0.1809	0.0309
0.95	258	-0.1805	0.1899	0.0302
0.95	270	0.0338	0.207	0.03
0.95	282	0.0485	0.1875	0.03
0.95	294	0.0642	0.2023	0.03
0.95	306	-0.1463	0.2294	0.0301
0.95	318	0.0318	0.2044	0.03
0.95	330	-0.1238	0.2515	0.0301