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Description
I will present 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. I will then discuss other incarnations of the mechanism in more generality, with different phenomenology, and attempt to draw a (relatively) unified picture of cosmological approaches to the Higgs hierarchy problem.
Videoconference
BSM Forum
- Zoom Meeting ID
- 65562333965
- Host
- Elena Gianolio
- Alternative hosts
- Matthew Philip Mccullough, Joachim Kopp, Nicholas Llewellyn Rodd, Marzia Bordone, Pascal Pignereau, Benoit Loyer, Tim Cohen
- Passcode
- 01055539
- Useful links
- Join via phone
- Zoom URL
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