ATTENTION: We have to do a short maintenance with downtime on Wed 19 Oct 2022, 9:00 - 10:00 CEST. Please finish your work in time to prevent data loss.

# Rethinking Quantum Field Theory

Sep 27 – 30, 2016
DESY Hamburg
Europe/Berlin timezone

## Lepton-flavour violation in a Pati-Salam model with gauged flavour symmetry

Sep 28, 2016, 3:00 PM
20m
Seminar room 4a (DESY Hamburg)

### Seminar room 4a

#### DESY Hamburg

Notkestrasse 85, 22607 Hamburg
Particle Phenomenology

### Speaker

Paul Moch (Theoretische Physik 1 Elementarteilchenphysik Uni Siegen)

### Description

Combining Pati-Salam (PS) and flavour symmetries in a renormalisable setup, we devise a scenario which produces realistic masses for the charged leptons. Flavour-symmetry breaking scalar fields in the adjoint representations of the PS gauge group are responsible for generating different flavour structures for up- and down-type quarks as well as for leptons. The model is characterised by new heavy fermions which mix with the Standard Model quarks and leptons. In particular, the partners for the third fermion generation induce sizeable sources of flavour violation. Focusing on the charged-lepton sector, we scrutinise the model with respect to its implications for lepton-flavour violating processes such as $\mu \rightarrow e\gamma$, $\mu\rightarrow 3e$ and muon conversion in nuclei.

### Primary authors

Christoph Luhn (Theoretische Physik 1 Elementarteilchenphysik Uni Siegen) Paul Moch (Theoretische Physik 1 Elementarteilchenphysik Uni Siegen) Thorsten Feldmann (Theoretische Physik 1 Elementarteilchenphysik Uni Siegen)

 Slides