Self-consistent variational approach to the minimal left-right symmetric model of electroweak interactions

Luca Marotta, Luca Marotta, Fabio Siringo

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

The problem of mass generation is addressed by a Gaussian variational method for the minimal left-right symmetric model of electroweak interactions. Without any scalar bidoublet, the Gaussian effective potential is shown to have a minimum for a broken symmetry vacuum with a finite expectation value for both the scalar Higgs doublets. The symmetry is broken by the fermionic coupling that destabilizes the symmetric vacuum, yielding a self-consistent fermionic mass. In this framework a light Higgs is only compatible with the existence of a new high energy mass scale below 2 TeV.
Original languageEnglish
Pages (from-to)115001-1-115001-5
Number of pages5
JournalPHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY
Volume74
Publication statusPublished - 2006

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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