Large Higgs quartic coupling and (A)DM from extended Bosonic Technicolor

Mads T. Frandsen, Wei-Chih Huang

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Abstract

We propose novel bosonic Technicolor models augmented by an SU(2) R gauge group and scalar doublet. Dynamical breaking of SU(2) R induced by technifermion condensation triggers SU(2) L breaking via a portal coupling. The scale of the new strong interactions is as high as that of composite Higgs models, and the vacuum stability challenge confronting ordinary bosonic Technicolor models is avoided. Thermal or asymmetric dark matter, whose stability is ensured by a U(1) TB technibaryon symmetry, can be realized. In the latter case, the correct relic density can be reproduced for a wide range of dark matter mass via leptogenesis.

Original languageEnglish
Article number136004
JournalPhysics Letters B: Particle Physics, Nuclear Physics and Cosmology
Volume812
Number of pages7
ISSN0370-2693
DOIs
Publication statusPublished - 10. Jan 2021

Keywords

  • hep-ph
  • hep-th

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