Non-Gaussianities from the Standard Model Higgs

Journal Article · Tue Jan 01 00:00:00 EST 2013 · Journal of Cosmology and Astroparticle Physics

DOI:https://doi.org/10.1088/1475-7516/2013/01/037· OSTI ID:22279629

Simone, Andrea De ^[1]; Perrier, Hideki; Riotto, Antonio ^[2]

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1. CERN, Theory Division, CH-1211 Geneva 23 (Switzerland)
2. University of Geneva, Department of Theoretical Physics and Center for Astroparticle Physics (CAP), 24 quai E. Ansermet, CH-1211 Geneva 4 (Switzerland)

We have recently proposed that the Standard Model Higgs might be responsible for generating the cosmological perturbations of the universe by acting as an isocurvature mode during a de Sitter inflationary stage. In this paper we study the level of non-Gaussianity in the cosmological perturbations which are inevitably generated due to the non-linearities of the Standard Model Higgs potential. In particular, for the current central value of the top mass, we find that a future detection of non-Gaussianity would exclude the detection of tensor modes by the PLANCK satellite.

• OSTI ID: 22279629
• Journal Information: Journal of Cosmology and Astroparticle Physics, Vol. 2013, Issue 01; Other Information: Country of input: International Atomic Energy Agency (IAEA); ISSN 1475-7516
• Country of Publication: United States
• Language: English

Related Subjects

79 ASTROPHYSICS
COSMOLOGY AND ASTRONOMY
ASTROPHYSICS
COSMOLOGY
DE SITTER GROUP
DE SITTER SPACE
HIGGS BOSONS
HIGGS MODEL
INFLATIONARY UNIVERSE
INFLATONS
PERTURBATION THEORY
POTENTIALS
REST MASS
STANDARD MODEL
T QUARKS
TENSORS
UNIVERSE