CLAS Physics Database

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Measurement E151M2632

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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 :	0.0171 GeV²
W :	1475 GeV
ε :	0.5934
E_beam :	1.0539 GeV
ε_L:	0.0208

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	-0.1038	0.2064	0.0301
0.25	54	-0.213	0.2141	0.0303
0.35	42	-0.1476	0.1982	0.0301
0.35	54	-0.1371	0.1434	0.0301
0.35	66	-0.1954	0.2002	0.0303
0.45	30	0.4355	0.2023	0.0312
0.45	42	-0.1591	0.2147	0.0302
0.45	54	-0.1511	0.1601	0.0302
0.45	66	-0.1198	0.2066	0.0301
0.45	222	0.0243	0.2327	0.03
0.45	234	0.0732	0.1994	0.03
0.45	246	-0.2269	0.1797	0.0303
0.55	30	-0.4295	0.2138	0.0312
0.55	42	-0.1458	0.1978	0.0301
0.55	54	-0.1098	0.2638	0.0301
0.55	66	0.3016	0.2558	0.0306
0.55	150	0.2259	0.2263	0.0303
0.55	162	-0.3573	0.2337	0.0308
0.55	222	0.0861	0.228	0.03
0.55	234	-0.1245	0.1768	0.0301
0.55	246	0.0844	0.1621	0.03
0.55	258	-0.0694	0.2134	0.03
0.65	42	-0.1961	0.2338	0.0303
0.65	150	-0.42	0.2051	0.0312
0.65	162	-0.2996	0.2282	0.0306
0.65	222	-0.2311	0.1711	0.0304
0.65	234	-0.2398	0.1594	0.0304
0.65	246	0.0179	0.1732	0.03
0.65	258	0.0171	0.2181	0.03
0.75	42	0.1526	0.2215	0.0302
0.75	222	-0.1591	0.2392	0.0302
0.75	234	-0.2705	0.1629	0.0305
0.75	246	-0.0022	0.1715	0.03
0.75	258	-0.0533	0.217	0.03
0.85	138	0.4921	0.2175	0.0316
0.85	150	-0.0324	0.2369	0.03
0.85	222	0.1656	0.1889	0.0302
0.85	234	-0.087	0.1676	0.0301
0.85	246	0.1124	0.162	0.0301
0.85	258	0.2614	0.2444	0.0305