CLAS Physics Database

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Measurement E151M2582

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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 :	1385 GeV
ε :	0.7053
E_beam :	1.0539 GeV
ε_L:	0.1223

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
0.15	42	-0.0793	0.2216	0.03
0.25	42	0.2335	0.2155	0.0304
0.35	30	0.0273	0.2359	0.03
0.35	42	-0.0718	0.1828	0.03
0.35	54	0.2624	0.2531	0.0305
0.45	30	0.0325	0.2515	0.03
0.45	42	0.1452	0.2017	0.0301
0.45	246	0.2351	0.2462	0.0304
0.45	258	0.0275	0.2267	0.03
0.55	150	-0.1688	0.2328	0.0302
0.55	234	0.2285	0.2095	0.0303
0.55	246	-0.0355	0.1526	0.03
0.55	258	0.0768	0.182	0.03
0.55	270	-0.0269	0.2517	0.03
0.65	138	0.2605	0.2317	0.0304
0.65	150	-0.0504	0.2151	0.03
0.65	162	0.4098	0.2021	0.0311
0.65	222	0.062	0.1901	0.03
0.65	234	-0.2673	0.176	0.0305
0.65	246	-0.5225	0.1456	0.0318
0.65	258	-0.025	0.1636	0.03
0.65	270	0.1565	0.1928	0.0302
0.75	138	0.2144	0.1768	0.0303
0.75	150	0.0868	0.1689	0.0301
0.75	162	-0.1543	0.2362	0.0302
0.75	174	0.0148	0.2115	0.03
0.75	210	-0.2971	0.2408	0.0306
0.75	222	-0.2464	0.2365	0.0304
0.75	234	0.0485	0.1559	0.03
0.75	246	-0.1765	0.1422	0.0302
0.75	258	-0.0055	0.1434	0.03
0.75	270	-0.1179	0.1683	0.0301
0.75	282	-0.077	0.2708	0.03
0.85	126	0.1575	0.2577	0.0302
0.85	138	-0.2782	0.2276	0.0305
0.85	150	-0.0951	0.1828	0.0301
0.85	174	-0.1389	0.2496	0.0301
0.85	234	0.1024	0.1849	0.0301
0.85	246	-0.1334	0.1351	0.0301
0.85	258	-0.0709	0.1506	0.03
0.85	270	0.2129	0.1527	0.0303
0.85	282	-0.1814	0.2215	0.0302
0.95	246	0.0492	0.2295	0.03
0.95	258	-0.0935	0.2176	0.0301
0.95	270	-0.2379	0.232	0.0304