Composite Goldstone Dark Matter: Experimental Predictions from the Lattice

Ari Hietanen, Randy Lewis, Claudio Pica, Francesco Sannino

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Abstract

We study, via first principles 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. Surprisingly 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. Our results are a foundation for quantitative new composite dynamics relevant for model building, and are of interest to current experiments.
OriginalsprogEngelsk
Artikelnummer130
TidsskriftJournal of High Energy Physics
Vol/bind2014
Udgave nummer12
ISSN1126-6708
DOI
StatusUdgivet - 18. dec. 2014

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