Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Domaines hep-th
Date Mardi 17 Mai 2022
Heure 14:30
Institut LPENS
Salle L361 (24 rue Lhomond) AND zoom
Nom de l'orateur Teresi
Prenom de l'orateur Daniele
Addresse email de l'orateur
Institution de l'orateur CERN
Titre Cosmological naturalness
Résumé I will discuss a novel paradigm to address naturalness issues such as the Higgs hierarchy problem, based on cosmological dynamics rather than symmetries. After drawing a relatively unified picture of this class of approaches, I will discuss a specific proposal: Sliding Naturalness, which is a novel framework to solve simultaneously the electroweak hierarchy problem and the strong-CP problem. A small but finite Higgs vacuum expectation value and a small θ-angle are selected after the QCD phase transition, without relying on the Peccei-Quinn mechanism or other traditional solutions. This novel solution predicts a distinctive pattern of correlated signals at hadronic EDM, fuzzy dark matter and axion experiments.
Numéro de preprint arXiv
Commentaires recorded: 8Dvp10b7-A- 97GP3QVSgI_pssf9lYSr9.LFSx7SjR7NcAtCPR?startTime=1652790817000 pwrd: &G87jp5*
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