Fermion mass hierarchy in lifshitz type gauge theory

Kunio Kaneta, Yoshiharu Kawamura

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

We study the origin of fermion mass hierarchy and flavor mixing in a Lifshitz type extension of the standard model including an extra scalar field. We show that the hierarchical structure can originate from renormalizable interactions. In contrast to the ordinary FroggattNielsen mechanism, the higher the dimension of associated operators, the heavier the fermion masses. Tiny masses for left-handed neutrinos are obtained without introducing right-handed neutrinos.

Original languageEnglish (US)
Pages (from-to)1613-1623
Number of pages11
JournalModern Physics Letters A
Volume25
Issue number19
DOIs
StatePublished - Jun 21 2010

Bibliographical note

Funding Information:
This work was supported in part by scientific grants from the Ministry of Education, Culture, Sports, Science and Technology under Grant Nos. 18204024 and 18540259 (Y.K.).

Keywords

  • Fermion mass hierarchy
  • FroggattNielsen mechanism
  • Lifshitz type theory

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