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Title: A strong electroweak phase transition from the inflaton field

Abstract

We study a singlet scalar extension of the Standard Model. The singlet scalar is coupled non-minimally to gravity and assumed to drive inflation, and also couple sufficiently strongly with the SM Higgs field in order to provide for a strong first order electroweak phase transition. Requiring the model to describe inflation successfully, be compatible with the LHC data, and yield a strong first order electroweak phase transition, we identify the regions of the parameter space where the model is viable. We also include a singlet fermion with scalar coupling to the singlet scalar to probe the sensitivity of the constraints on additional degrees of freedom and their couplings in the singlet sector. We also comment on the general feasibility of these fields to act as dark matter.

Authors:
;  [1];  [2];  [3];  [4]
  1. Department of Physics, University of Helsinki, P.O. Box 64, FI-00014, Helsinki (Finland)
  2. (Finland)
  3. Helsinki Institute of Physics, P.O. Box 64, FI-00014, Helsinki (Finland)
  4. (YFL), FI-40014 University of Jyvaskyla (Finland)
Publication Date:
Sponsoring Org.:
SCOAP3, CERN, Geneva (Switzerland)
OSTI Identifier:
22572155
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Cosmology and Astroparticle Physics; Journal Volume: 2016; Journal Issue: 09; Other Information: PUBLISHER-ID: JCAP09(2016)037; OAI: oai:repo.scoap3.org:17289; cc-by Article funded by SCOAP3. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 License. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; CERN LHC; COSMOLOGICAL INFLATION; COUPLING; DEGREES OF FREEDOM; HIGGS MODEL; INFLATIONARY UNIVERSE; NONLUMINOUS MATTER; PHASE TRANSFORMATIONS; STANDARD MODEL

Citation Formats

Tenkanen, Tommi, Tuominen, Kimmo, Helsinki Institute of Physics, P.O. Box 64, FI-00014, Helsinki, Vaskonen, Ville, and Department of Physics, University of Jyvaskyla, P.O.Box 35. A strong electroweak phase transition from the inflaton field. United States: N. p., 2016. Web. doi:10.1088/1475-7516/2016/09/037.
Tenkanen, Tommi, Tuominen, Kimmo, Helsinki Institute of Physics, P.O. Box 64, FI-00014, Helsinki, Vaskonen, Ville, & Department of Physics, University of Jyvaskyla, P.O.Box 35. A strong electroweak phase transition from the inflaton field. United States. doi:10.1088/1475-7516/2016/09/037.
Tenkanen, Tommi, Tuominen, Kimmo, Helsinki Institute of Physics, P.O. Box 64, FI-00014, Helsinki, Vaskonen, Ville, and Department of Physics, University of Jyvaskyla, P.O.Box 35. Thu . "A strong electroweak phase transition from the inflaton field". United States. doi:10.1088/1475-7516/2016/09/037.
@article{osti_22572155,
title = {A strong electroweak phase transition from the inflaton field},
author = {Tenkanen, Tommi and Tuominen, Kimmo and Helsinki Institute of Physics, P.O. Box 64, FI-00014, Helsinki and Vaskonen, Ville and Department of Physics, University of Jyvaskyla, P.O.Box 35},
abstractNote = {We study a singlet scalar extension of the Standard Model. The singlet scalar is coupled non-minimally to gravity and assumed to drive inflation, and also couple sufficiently strongly with the SM Higgs field in order to provide for a strong first order electroweak phase transition. Requiring the model to describe inflation successfully, be compatible with the LHC data, and yield a strong first order electroweak phase transition, we identify the regions of the parameter space where the model is viable. We also include a singlet fermion with scalar coupling to the singlet scalar to probe the sensitivity of the constraints on additional degrees of freedom and their couplings in the singlet sector. We also comment on the general feasibility of these fields to act as dark matter.},
doi = {10.1088/1475-7516/2016/09/037},
journal = {Journal of Cosmology and Astroparticle Physics},
number = 09,
volume = 2016,
place = {United States},
year = {Thu Sep 22 00:00:00 EDT 2016},
month = {Thu Sep 22 00:00:00 EDT 2016}
}