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English Intern
  • Seminar Elementarteilchenphysik
Theoretische Physik II

Dr. Maximilian Löschner, Universität Wien

Talk: 25-Oct-2018

Lepton masses and the Multi-Higgs model

Abstract

An abundance of models trying to describe the patterns in lepton masses and mixings has emerged over the past decade, many of them inspired by the rich phenomenology in the neutrino sector. Most of these models have only been studied at tree-level. In our work, we therefore try to build a generally applicable setup for studying radiative corrections to the mass and mixing predictions in such models in order to check their perturbative stability. All of the models referred to inherit an extended scalar sector. Therefore, we perform our studies in the Multi-Higgs Standard Model with an arbitrary number of Higgs doublets and right-handed Majorana neutrinos. After a thorough introduction into the subject, we want to present our renormalization scheme and results for one-loop lepton masses with an emphasis on gauge-dependence discussions, the treatment of tadpole contributions and the renormalization of the vacuum expectation values.

Kontakt

Lehrstuhl für Theoretische Physik II
Emil-Hilb-Weg 22
Campus Hubland Nord
97074 Würzburg

Tel.: +49 931 31-85877
Fax: +49 931 31-81488
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Hubland Nord, Geb. 22
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