CLAS Physics Database

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Measurement E151M3364

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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 :	1685 GeV
ε :	0.8174
E_beam :	2.2596 GeV
ε_L:	0.0354

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	270	-0.3682	0.1608	0.031
0.55	258	-0.0284	0.2644	0.03
0.65	126	0.2746	0.2578	0.0305
0.75	210	-0.4916	0.2149	0.0316
0.75	222	-0.0196	0.2571	0.03
0.75	270	0.476	0.2412	0.0315
0.75	282	-0.2222	0.2051	0.0303
0.85	210	-0.0799	0.2111	0.03
0.85	234	-0.3831	0.2191	0.031
0.45	282	0.1036	0.2492	0.0301
0.55	114	-0.2115	0.2227	0.0303
0.55	270	0.1547	0.2648	0.0302
0.55	282	0.4096	0.2483	0.0311
0.65	114	-0.1428	0.2493	0.0301
0.65	126	0.0578	0.2176	0.03
0.65	138	0.1917	0.2494	0.0302
0.65	210	-0.0249	0.2378	0.03
0.65	222	0.0259	0.2423	0.03
0.75	198	-0.2515	0.2474	0.0304
0.75	210	-0.2032	0.2496	0.0303
0.75	222	0.3551	0.2188	0.0308
0.75	270	0.3008	0.211	0.0306
0.75	282	0.0152	0.208	0.03
0.85	114	0.181	0.2472	0.0302
0.85	126	0.445	0.2098	0.0313
0.85	210	-0.1769	0.2244	0.0302
0.85	222	0.0691	0.2568	0.03