Scalar representations and minimal flavor violation

Jonathan M. Arnold, Maxim Pospelov, Michael Trott, Mark B. Wise

Research output: Contribution to journalArticlepeer-review

40 Scopus citations


We discuss the representations that new scalar degrees of freedom (beyond those in the minimal standard model) can have if they couple to quarks in a way that is consistent with minimal flavor violation. If the new scalars are singlets under the flavor group then they must be color singlets or color octets. In this paper we discuss the allowed representations and renormalizable couplings when the new scalars also transform under the flavor group. We find that color 3̄ and 6 representations are also allowed. We focus on the cases where the new scalars can have renormalizable Yukawa couplings to the quarks without factors of the quark Yukawa matrices. The renormalizable couplings in the models we introduce automatically conserve baryon number.

Original languageEnglish (US)
Article number073
JournalJournal of High Energy Physics
Issue number1
StatePublished - Aug 2 2010
Externally publishedYes


  • Beyond standard model
  • Global symmetries
  • Phenomenological models

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