• Open Access

Techni-Pati-Salam composite Higgs model

Giacomo Cacciapaglia, Shahram Vatani, and Chen Zhang
Phys. Rev. D 103, 055001 – Published 1 March 2021

Abstract

Composite Higgs models can be extended to the Planck scale by means of the partially unified partial compositeness (PUPC) framework. We present in detail the Techni-Pati-Salam model, based on a renormalizable gauge theory SU(8)PS×SU(2)L×SU(2)R. We demonstrate that masses and mixings for all generations of standard model fermions can be obtained via partial compositeness at low energy, with four-fermion operators mediated by either heavy gauge bosons or scalars. The strong dynamics is predicted to be that of a confining Sp(4)HC gauge group, with hyperfermions in the fundamental and two-index antisymmetric representations, with fixed multiplicities. This is motivation for lattice studies of the infrared near-conformal walking phase, with results that may validate or rule out the model. This is the first complete and realistic attempt at providing an ultraviolet completion for composite Higgs models with top partial compositeness. In the baryon-number conserving vacuum, the theory also predicts a dark matter candidate, with a mass in the few TeV range, protected by semi-integer baryon number.

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  • Received 5 June 2020
  • Accepted 17 January 2021

DOI:https://doi.org/10.1103/PhysRevD.103.055001

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Particles & Fields

Authors & Affiliations

Giacomo Cacciapaglia1,2,*, Shahram Vatani1,2,†, and Chen Zhang3,‡

  • 1Institut de Physique des 2 Infinis (IP2I), CNRS/IN2P3, UMR5822, F-69622 Villeurbanne, France
  • 2Université de Lyon, Université Claude Bernard Lyon 1, 69001 Lyon, France
  • 3Physics Division, National Center for Theoretical Sciences, Hsinchu 300, Taiwan

  • *g.cacciapaglia@ipnl.in2p3.fr
  • vatani@ipnl.in2p3.fr
  • czhang@cts.nthu.edu.tw

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Vol. 103, Iss. 5 — 1 March 2021

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