TeV Particle Astrophysics 2016

Tachyonic Reheating to a Higgs Boson

15 Sept 2016, 14:20

20m

500/1-001 - Main Auditorium (CERN)

Oral Contributions Cosmology & Gravitational Waves Cosmology & Gravitational Waves

Speaker

Djuna Croon (University of Sussex)

Description

A trilinear coupling between an inflaton and the Standard Model Higgs boson opens up an exponentially enhanced decay channel. Such a coupling is for instance generically present in a combined Goldstone Inflation and Composite Higgs scenario. Here I will discuss our analysis of such a scenario and its constraints, paying attention to both the feasibility of the production of Standard Model particles and the stability of the electroweak vacuum.

Summary

A trilinear coupling between an inflaton and the Standard Model Higgs boson opens up an exponentially enhanced decay channel. Such a coupling is for instance generically present in a combined Goldstone Inflation and Composite Higgs scenario. Here I will discuss our analysis of such a scenario and its constraints, paying attention to both the feasibility of the production of Standard Model particles and the stability of the electroweak vacuum.