CLAS Physics Database

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Measurement E151M2666

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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 :	0.0496 GeV²
W :	1235 GeV
ε :	0.9323
E_beam :	1.3383 GeV
ε_L:	0.3377

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	42	-0.0804	0.2237	0.0301
0.45	270	-0.3593	0.181	0.0309
0.45	282	0.1026	0.1873	0.0301
0.55	258	0.0119	0.1903	0.03
0.55	270	-0.1687	0.1421	0.0303
0.55	282	0.1225	0.1483	0.0302
0.65	246	-0.199	0.1572	0.0305
0.65	258	-0.0916	0.1396	0.0301
0.65	270	-0.0235	0.1211	0.03
0.65	282	0.1675	0.1334	0.0304
0.75	126	0.8169	0.1781	0.0342
0.75	138	-0.5364	0.2711	0.0319
0.75	234	0.4357	0.2723	0.0312
0.75	246	-0.4329	0.2318	0.0312
0.75	258	-0.2155	0.2121	0.0303
0.75	270	-0.2179	0.2162	0.0303
0.75	282	0.1009	0.2555	0.0301
0.85	114	0.6997	0.2282	0.0331
0.85	126	-0.3166	0.2306	0.0307
0.85	138	0.2426	0.2492	0.0304
0.85	150	0.1531	0.2648	0.0302
0.85	162	0.5405	0.1726	0.0319
0.85	174	-0.1189	0.2617	0.0301
0.85	186	-0.5483	0.2144	0.0319
0.85	198	0.1652	0.3161	0.0302
0.85	234	-0.3254	0.3426	0.0307
0.85	246	-0.179	0.3041	0.0302
0.85	258	-0.1381	0.2398	0.0301
0.85	270	0.1704	0.2671	0.0302
0.85	282	0.1507	0.3341	0.0302
0.95	126	0.525	0.2379	0.0318
0.95	138	-0.431	0.3042	0.0312
0.95	150	-0.7638	0.1715	0.0337
0.95	162	-0.1879	0.3375	0.0302
0.95	174	0.0299	0.3806	0.03
0.95	186	-0.1936	0.3641	0.0302
0.95	198	-0.1055	0.3728	0.0301
0.65	294	0.3522	0.2645	0.0308
0.75	138	0.0384	0.2779	0.03
0.75	150	0.0082	0.286	0.03
0.75	234	-0.3956	0.2171	0.031
0.75	246	0.0393	0.1785	0.03
0.75	258	-0.0682	0.1555	0.03
0.75	270	0.2603	0.1659	0.0304
0.75	282	-0.0283	0.1797	0.03
0.85	114	-0.0324	0.2192	0.03
0.85	126	-0.0448	0.1863	0.03
0.85	138	-0.187	0.1642	0.0302
0.85	150	-0.2051	0.1612	0.0303
0.85	162	-0.151	0.1549	0.0302
0.85	174	0.3184	0.2005	0.0307
0.85	186	0.0404	0.2024	0.03
0.85	198	0.0813	0.206	0.03
0.85	210	-0.2489	0.2354	0.0304
0.85	222	0.3265	0.2447	0.0307
0.85	246	0.1629	0.1935	0.0302
0.85	258	0.0343	0.1988	0.03
0.85	270	-0.2153	0.1656	0.0303
0.85	282	-0.0313	0.2393	0.03
0.95	126	0.3015	0.2216	0.0306
0.95	150	-0.0351	0.2141	0.03
0.95	162	0.1259	0.2154	0.0301
0.95	174	0.2761	0.233	0.0305
0.95	186	0.3127	0.2587	0.0306
0.95	198	-0.299	0.2888	0.0306