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research article

Standard model meets gravity: Electroweak symmetry breaking and inflation

Shaposhnikov, Mikhail  
•
Shkerin, Andrey  
•
Zell, Sebastian  
February 25, 2021
Physical Review D

We propose a model for combining the Standard Model (SM) with gravity. It relies on a nonminimal coupling of the Higgs field to the Ricci scalar and on the Palatini formulation of gravity. Without introducing any new degrees of freedom in addition to those of the SM and the graviton, this scenario achieves two goals. First, it generates the electroweak symmetry breaking by a nonperturbative gravitational effect. In this way, it does not only address the hierarchy problem but opens up the possibility to calculate the Higgs mass. Second, the model incorporates inflation at energies below the onset of strong-coupling of the theory. Provided that corrections due to new physics above the scale of inflation are not unnaturally large, we can relate inflationary parameters to data from collider experiments.

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Type
research article
DOI
10.1103/PhysRevD.103.033006
Web of Science ID

WOS:000621593200002

Author(s)
Shaposhnikov, Mikhail  
Shkerin, Andrey  
Zell, Sebastian  
Date Issued

2021-02-25

Publisher

American Physical Society

Published in
Physical Review D
Volume

103

Issue

3

Article Number

033006

Subjects

Astronomy & Astrophysics

•

Physics, Particles & Fields

•

Physics

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LPPC  
Available on Infoscience
March 26, 2021
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/176274
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