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Living beyond the edge: Higgs inflation and vacuum metastability
Fedor Bezrukov, Javier Rubio, Mikhail Shaposhnikov
The measurements of the Higgs mass and top Yukawa coupling indicate that we live in a very special Universe, at the edge of the absolute stability of the electroweak vacuum. If ful…
On the applicability of approximations used in calculation of spectrum of Dark Matter particles produced in particle decays
Fedor Bezrukov, Dmitry Gorbunov
For the Warm Dark Matter (WDM) candidates the momentum distribution of particles becomes important, since it can be probed with observations of Lyman- forest structures and conf…
Why should we care about the top quark Yukawa coupling?
Fedor Bezrukov, Mikhail Shaposhnikov
In the cosmological context, for the Standard Model to be valid up to the scale of inflation, the top quark Yukawa coupling should not exceed the critical value ,…
Higgs inflation at the critical point
Fedor Bezrukov, Mikhail Shaposhnikov
Higgs inflation can occur if the Standard Model (SM) is a self-consistent effective field theory up to inflationary scale. This leads to a lower bound on the Higgs boson mass, $M_h…
Relic Gravity Waves and 7 keV Dark Matter from a GeV scale inflaton
F. Bezrukov, D. Gorbunov
We study the mechanism of generation of 7 keV sterile neutrino Dark Matter (DM) in the model with light inflaton , which serves as a messenger of scale invariance breaking. In t…