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Accidental composite dark matter

Journal of High Energy Physics volume 2015, Article number: 39 (2015) Cite this article

A preprint version of the article is available at arXiv.

Abstract

We build models where Dark Matter candidates arise as composite states of a new confining gauge force, stable thanks to accidental symmetries. Restricting to renormalizable theories compatible with SU(5) unification, we find 13 models based on SU(N) gauge theories and 9 based on SO(N). We also describe other models that require non-renormalizable interactions. The two gauge groups lead to distinctive phenomenologies: SU(N) theories give complex DM, with potentially observable electric and magnetic dipole moments that lead to peculiar spin-independent cross sections; SO(N) theories give real DM, with challenging spin-dependent cross sections or inelastic scatterings. Models with Yukawa couplings also give rise to spin-independent direct detection mediated by the Higgs boson and to electric dipole moments for the electron. In some models DM has higher spin. Each model predicts a specific set of lighter composite scalars, possibly observable at colliders.

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This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

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Affiliations

  1. INFN — Sezione di Firenze, Via G. Sansone, 1, I-50019, Sesto Fiorentino, Italy

    Oleg Antipin & Michele Redi

  2. Dipartimento di Fisica dell’Università di Pisa and INFN, Pisa, Italy

    Alessandro Strumia & Elena Vigiani

  3. National Institute of Chemical Physics and Biophysics, Tallinn, Estonia

    Alessandro Strumia

Authors
  1. Oleg Antipin
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  2. Michele Redi
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  3. Alessandro Strumia
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  4. Elena Vigiani
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Correspondence to Michele Redi.

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ArXiv ePrint: 1503.08749

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Antipin, O., Redi, M., Strumia, A. et al. Accidental composite dark matter. J. High Energ. Phys. 2015, 39 (2015). https://doi.org/10.1007/JHEP07(2015)039

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  • DOI: https://doi.org/10.1007/JHEP07(2015)039

Keywords

  • Technicolor and Composite Models
  • Global Symmetries
  • Chiral Lagrangians