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See-saw composite Higgs model at the LHC: Linking naturalness to the 750 GeV diphoton resonance

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journal contribution
posted on 2023-06-09, 07:26 authored by Jose Miguel No, Veronica Sanz, Jack Setford
We explore the possibility of explaining the recent ~750 GeV excesses observed by ATLAS and CMS in the ?? spectrum in the context of a compelling theory of naturalness. The potential spin-zero resonance responsible for the excesses also requires the existence of new heavy charged states. We show that both such features are naturally realized in a see-saw composite Higgs model for electroweak symmetry breaking, where the new pseudo-Goldstone bosons are expected to be comparatively heavier than the Standard Model Higgs, and the new fermions have masses in the TeV range. If confirmed, the existence of this new resonance could be the first stone in the construction of a new theory of naturalness.

Funding

Theoretical Particle Physics Consortium Sussex - Royal Holloway; G1449; STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCIL; ST/L000504/1

History

Publication status

  • Published

File Version

  • Published version

Journal

Physical Review D

ISSN

2470-0010

Publisher

American Physical Society

Issue

9

Volume

93

Page range

095010

Department affiliated with

  • Physics and Astronomy Publications

Research groups affiliated with

  • Theoretical Particle Physics Research Group Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2017-07-27

First Open Access (FOA) Date

2017-07-27

First Compliant Deposit (FCD) Date

2017-07-26

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