4.4 Article

Directions for model building from asymptotic safety

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 8, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP08(2017)004

Keywords

Beyond Standard Model; Perturbative QCD; Renormalization Group

Funding

  1. STFC studentship
  2. DFG Research Unit [FOR 1873]
  3. Science and Technology Facilities Council (STFC) [ST/L000504/1]
  4. STFC [ST/L000504/1] Funding Source: UKRI
  5. Science and Technology Facilities Council [ST/L000504/1] Funding Source: researchfish

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Building on recent advances in the understanding of gauge-Yukawa theories we explore possibilities to UV-complete the Standard Model in an asymptotically safe manner. Minimal extensions are based on a large flavor sector of additional fermions coupled to a scalar singlet matrix field. We find that asymptotic safety requires fermions in higher representations of SU(3)(c) x SU(2)(L). Possible signatures at colliders are worked out and include R-hadron searches, diboson signatures and the evolution of the strong and weak coupling constants.

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