Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1475-7516/2015/02/015
Keywords
CMBR theory; inflation; non-gaussianity
Funding
- Science and Technology Facilities Council [ST/L000652/1]
- STFC [ST/L000652/1]
- STFC research studentship
- Leverhulme Trust
- HEFCE
- SGI
- ICG
- SEPNet
- University of Portsmouth
- European Research Council under the European Union's Seventh Framework Programme (FP) / ERC Grant [308082]
- Science and Technology Facilities Council [ST/M00418X/1, ST/M007065/1, ST/L000652/1, ST/K00333X/1] Funding Source: researchfish
- STFC [ST/L000652/1, ST/K00333X/1, ST/M00418X/1, ST/M007065/1] Funding Source: UKRI
Ask authors/readers for more resources
In this short paper, we present constraints on the Galileon inflationary model from the CMB bispectrum. We employ a principal-component analysis of the independent degrees of freedom constrained by data and apply this to the WMAP 9-year data to constrain the free parameters of the model. A simple Bayesian comparison establishes that support for the Galileon model from bispectrum data is at best weak.
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