CLAS Physics Database

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Measurement E151M2795

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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 :	0.0205 GeV²
W :	1445 GeV
ε :	0.8022
E_beam :	1.3383 GeV
ε_L:	0.0384

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
0.25	30	-0.1051	0.1925	0.0312
0.25	42	-0.1877	0.2226	0.0312
0.35	30	0.2356	0.2094	0.0306
0.35	42	-0.3881	0.1636	0.0315
0.45	18	-0.2165	0.2531	0.0303
0.45	30	-0.0488	0.2054	0.03
0.45	42	-0.1536	0.2232	0.0302
0.45	222	-0.0337	0.2292	0.03
0.45	234	-0.0234	0.2725	0.03
0.55	18	-0.0236	0.2491	0.03
0.55	30	0.0555	0.225	0.03
0.55	42	0.0994	0.1874	0.0301
0.55	126	0.0944	0.2236	0.0301
0.55	138	-0.0399	0.199	0.03
0.55	150	0.3669	0.2239	0.0309
0.55	198	-0.0023	0.2743	0.03
0.55	210	0.1147	0.2458	0.0301
0.55	222	-0.0206	0.1884	0.03
0.55	234	-0.1051	0.1813	0.0301
0.55	246	0.4955	0.2026	0.0316
0.55	258	0.107	0.2705	0.0301
0.65	114	0.4088	0.2529	0.0311
0.65	126	-0.0446	0.1972	0.03
0.65	138	0.0455	0.1804	0.03
0.65	150	0.1361	0.187	0.0301
0.65	162	-0.4754	0.2142	0.0315
0.65	198	-0.3252	0.274	0.0307
0.65	210	-0.1718	0.2303	0.0302
0.65	222	-0.2637	0.1664	0.0305
0.65	234	-0.1842	0.1667	0.0302
0.65	246	-0.0817	0.1713	0.03
0.75	126	0.1037	0.2651	0.0301
0.75	138	0.1455	0.2078	0.0301
0.75	150	0.5689	0.1962	0.0321
0.75	162	-0.147	0.2261	0.0301
0.75	198	0.2236	0.2701	0.0303
0.75	210	-0.164	0.2351	0.0302
0.75	222	0.1335	0.1847	0.0301
0.75	234	-0.0793	0.1747	0.03
0.75	246	-0.1511	0.1775	0.0302
0.75	258	-0.3816	0.2049	0.031
0.85	114	0.3116	0.213	0.0306
0.85	126	0.0831	0.2398	0.03
0.85	138	0.2333	0.279	0.0304
0.85	210	-0.0675	0.2379	0.03
0.85	222	-0.1537	0.1734	0.0302
0.85	234	-0.1798	0.1731	0.0302
0.85	246	0.048	0.1937	0.03
0.95	234	-0.4008	0.2576	0.0311
0.35	54	-0.0494	0.3835	0.03
0.45	18	-0.0591	0.4131	0.03
0.45	30	-0.2322	0.2775	0.0304
0.45	42	0.1576	0.3019	0.0302
0.45	222	-0.2046	0.3249	0.0303
0.45	234	0.4514	0.2658	0.0313
0.55	18	0.1315	0.3343	0.0301
0.55	30	0.539	0.229	0.0319
0.55	42	-0.0967	0.2684	0.0301
0.55	126	0.523	0.3902	0.0318
0.55	138	-0.2716	0.3072	0.0305
0.55	150	0.3692	0.3591	0.0309
0.55	162	0.2512	0.4085	0.0304
0.55	210	0.143	0.2748	0.0301
0.55	222	0.1486	0.2909	0.0301
0.55	234	-0.4511	0.2277	0.0313
0.55	246	0.1105	0.2829	0.0301
0.65	126	-0.1085	0.2697	0.0301
0.65	138	-0.1623	0.3064	0.0302
0.65	150	0.0832	0.2826	0.03
0.65	162	-0.2038	0.3593	0.0303
0.65	210	-0.4267	0.1978	0.0312
0.65	222	0.3485	0.2282	0.0308
0.65	234	-0.0155	0.2588	0.03
0.65	246	0.1838	0.2742	0.0302
0.65	258	-0.3584	0.268	0.0308
0.75	126	-0.2133	0.3718	0.0303
0.75	138	0.7833	0.1457	0.0338
0.75	150	0.1592	0.2647	0.0302
0.75	162	0.6239	0.3005	0.0325
0.75	210	-0.0407	0.2889	0.03
0.75	222	0.376	0.2285	0.0309
0.75	234	0.3613	0.2052	0.0309
0.75	246	0.1828	0.2848	0.0302
0.75	258	0.6741	0.1916	0.0329
0.85	114	-0.2458	0.3448	0.0304
0.85	126	-0.1877	0.3512	0.0302
0.85	138	-0.2878	0.3388	0.0305
0.85	210	-0.4715	0.2433	0.0314
0.85	222	-0.0427	0.2783	0.03
0.85	234	0.0744	0.2392	0.03
0.85	246	0.0977	0.3321	0.0301
0.85	258	-0.4247	0.3234	0.0312
0.95	234	0.1795	0.3119	0.0302
0.95	246	0.1623	0.3553	0.0302