Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 11, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1475-7516/2019/11/042
Keywords
inflation; particle physics - cosmology connection
Funding
- Swiss National Science Foundation
- ERC-AdG-2015 grant [694896]
- Foundation for the Advancement of Theoretical Physics and Mathematics BASIS grant
- Russian Science Foundation [19-12-00393]
- Russian Science Foundation [19-12-00393] Funding Source: Russian Science Foundation
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We study the consequences of (beyond) positivity of scattering amplitudes in the effective field theory description of the Higgs-Dilaton inflationary model. By requiring the EFT to be compatible with a unitary, causal, local and Lorentz invariant UV completion, we derive constraints on the Wilson coefficients of the first higher order derivative operators. We show that the values allowed by the constraints are consistent with the phenomenological applications of the Higgs-Dilaton model.
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