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

Mads T. Frandsen, Wei-Chih Huang

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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.

TidsskriftPhysics Letters B: Particle Physics, Nuclear Physics and Cosmology
Antal sider7
StatusUdgivet - 10. jan. 2021

Bibliografisk note

7 pages, 1 figure. v2: typos corrected, references added and DM direct-detection bounds considered


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