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Impact of Uncertainties in the Cosmological Parameters on the Measurement of Primordial non-Gaussianity
We study the impact of cosmological parameters' uncertainties on estimates of the primordial NG parameter f_NL in local and equilateral models of non-Gaussianity. We show that propagating these errors increases the f_NL relative uncertainty by 16% for WMAP and 5 % for Planck in the local case,...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2008
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| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.78.123004 http://cds.cern.ch/record/1122086 |