Flavor’s Delight

Author:

Nilles Hans Peter1,Ramos-Sánchez Saúl2ORCID

Affiliation:

1. Bethe Center for Theoretical Physics, Physikalisches Institut der Universität Bonn, Nussallee 12, 53115 Bonn, Germany

2. Instituto de Física, Universidad Nacional Autónoma de México, Ciudad de México C.P. 04510, Mexico

Abstract

Discrete flavor symmetries provide a promising approach to understand the flavor sector of the standard model of particle physics. Top-down (TD) explanations from string theory reveal two different types of such flavor symmetries: traditional and modular flavor symmetries that combine to the eclectic flavor group. There have been many bottom-up (BU) constructions to fit experimental data within this scheme. We compare TD and BU constructions to identify the most promising groups and try to give a unified description. Although there is some progress in joining BU and TD approaches, we point out some gaps that have to be closed with future model building.

Funder

UNAM-PAPIIT

Marcos Moshinsky Foundation

Publisher

MDPI AG

Reference95 articles.

1. Lepton flavor symmetries;Feruglio;Rev. Mod. Phys.,2021

2. Kobayashi, T., and Tanimoto, M. (2023). Modular flavor symmetric models. arXiv.

3. Chauhan, G., Dev, P.S.B., Dubovyk, I., Dziewit, B., Flieger, W., Grzanka, K., Gluza, J., Karmakar, B., and Zięba, S. (2023). Phenomenology of Lepton Masses and Mixing with Discrete Flavor Symmetries. arXiv.

4. Ding, G.J., and King, S.F. (2023). Neutrino Mass and Mixing with Modular Symmetry. arXiv.

5. Frampton, P.H., and Kim, J.E. (2020). History of Particle Theory, World Scientific.

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