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Journal of High Energy Physics

, 2014:130 | Cite as

Composite Goldstone dark matter: experimental predictions from the lattice

  • Ari Hietanen
  • Randy Lewis
  • Claudio Pica
  • Francesco Sannino
Open Access
Regular Article - Theoretical Physics
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Abstract

We study, via lattice simulations, the nonperturbative dynamics of SU(2) gauge theory with two fundamental Dirac flavors. The model can be used simultaneously as a template for composite Goldstone boson dark matter and for breaking the electroweak symmetry dynamically. We compute the form factor, allowing us to estimate the associated electromagnetic charge radius. Interestingly we observe that the form factor obeys vector meson dominance even for the two color theory. We finally compare the model predictions with dark matter direct detection experiments. We find that the composite Goldstone boson dark matter cross section is constrained by the most stringent direct-detection experiments. Our results are a foundation for quantitative new composite dynamics relevant for model building, and are of interest to current experiments.

Keywords

Lattice QCD Beyond Standard Model Technicolor and Composite Models 
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Copyright information

© The Author(s) 2014

Authors and Affiliations

  • Ari Hietanen
    • 1
  • Randy Lewis
    • 2
  • Claudio Pica
    • 1
  • Francesco Sannino
    • 1
  1. 1.CP3 and the Danish IASUniversity of Southern DenmarkOdense MDenmark
  2. 2.Department of Physics and AstronomyYork UniversityTorontoCanada

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