Presented By: Leinweber Center for Theoretical Physics
HET Brown Bag Seminar | Phenomenology with Asymptotic Safety
Enrico Sessolo (UM long term visitor)
I will discuss some of the phenomenological aspects of embedding the Standard Model and/or models of New Physics in the framework of trans-Planckian asymptotic safety. In this setting, the presence of an interactive UV fixed point in the renormalization group flow of the gauge and Yukawa couplings imposes a set of boundary conditions at the Planck scale. In the case of New Physics models, the ensuing fixed-point analysis leads to specific predictions for the IR phenomenology. In the Standard Model, it can lead to the dynamical generation of arbitrarily small quantities, for example the Yukawa couplings of (Dirac) neutrinos.
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