CLAS Physics Database

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Measurement E151M3329

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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 :	0.0593 GeV²
W :	1595 GeV
ε :	0.8699
E_beam :	2.2596 GeV
ε_L:	0.0611

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	78	0.1326	0.2542	0.0301
0.45	270	0.5581	0.2048	0.032
0.45	282	0.2169	0.2375	0.0303
0.55	102	0.0906	0.2664	0.0301
0.55	114	-0.0403	0.2477	0.03
0.55	138	-0.1308	0.2337	0.0301
0.55	270	-0.3813	0.2459	0.031
0.55	282	-0.0061	0.2637	0.03
0.65	114	0.003	0.2427	0.03
0.65	126	0.1051	0.2311	0.0301
0.65	138	0.1783	0.2286	0.0302
0.65	210	-0.1539	0.2628	0.0302
0.65	222	-0.136	0.2557	0.0301
0.65	246	-0.2904	0.2533	0.0306
0.65	294	0.0639	0.256	0.03
0.75	66	-0.0942	0.2502	0.0301
0.75	114	0.0056	0.2529	0.03
0.75	126	-0.0433	0.253	0.03
0.75	210	0.1771	0.1948	0.0302
0.75	222	-0.0246	0.2372	0.03
0.75	234	-0.1133	0.2283	0.0301
0.75	270	-0.3783	0.2297	0.0309
0.75	282	-0.4542	0.1721	0.0313
0.75	294	0.1508	0.2527	0.0302
0.85	102	0.1117	0.2215	0.0301
0.85	114	-0.0827	0.2033	0.03
0.85	210	0.1081	0.2068	0.0301
0.85	222	0.0519	0.2184	0.03
0.85	234	0.1981	0.23	0.0303
0.35	78	-0.4875	0.2121	0.0315
0.45	78	-0.1363	0.2544	0.0301
0.45	126	0.2375	0.219	0.0304
0.45	258	-0.0699	0.2211	0.03
0.45	270	-0.0032	0.2279	0.03
0.45	282	-0.0042	0.1998	0.03
0.55	126	0.084	0.2088	0.03
0.55	138	0.3138	0.2297	0.0306
0.55	210	0.0859	0.2397	0.03
0.55	246	-0.0766	0.2296	0.03
0.55	258	0.152	0.2588	0.0302
0.55	270	0.2502	0.2219	0.0304
0.65	114	-0.307	0.2428	0.0306
0.65	126	-0.1493	0.2139	0.0301
0.65	138	-0.2892	0.1962	0.0306
0.65	222	0.1789	0.2406	0.0302
0.65	234	0.2011	0.2451	0.0303
0.65	246	0.3542	0.1994	0.0308
0.65	282	0.6233	0.1998	0.0325
0.75	126	-0.3403	0.2057	0.0308
0.75	138	-0.1691	0.2299	0.0302
0.75	198	-0.1975	0.2453	0.0303
0.75	210	0.0718	0.2383	0.03
0.75	222	0.3083	0.2114	0.0306
0.75	246	0.1425	0.2584	0.0301
0.75	270	0.1698	0.1966	0.0302
0.75	282	0.223	0.1887	0.0303
0.75	294	-0.0724	0.2453	0.03
0.85	102	0.0251	0.2049	0.03
0.85	114	0.0084	0.1964	0.03
0.85	210	-0.0166	0.2182	0.03
0.85	222	-0.6566	0.1569	0.0327
0.85	234	0.6492	0.1904	0.0327
0.85	246	0.0825	0.2488	0.03
0.85	282	-0.2812	0.2462	0.0305