PIRSA:20010088 Scientific Series Particle Physics

DOI10.48660/20010088

Series: Particle Physics

Buttazzo, D. (2020). Scalar gauge theories and Dark Matter. Perimeter Institute. https://pirsa.org/20010088

Buttazzo, Dario. Scalar gauge theories and Dark Matter. Perimeter Institute, Jan. 21, 2020, https://pirsa.org/20010088 

@misc{ pirsa_PIRSA:20010088,
  doi = {10.48660/20010088},
  url = {https://pirsa.org/20010088},
  author = {Buttazzo, Dario},
  keywords = {Particle Physics},
  language = {en},
  title = {Scalar gauge theories and Dark Matter},
  publisher = {Perimeter Institute},
  year = {2020},
  month = {jan},
  note = {PIRSA:20010088 see, \url{https://pirsa.org}}
}

Abstract

I will consider simple scalar gauge theories with one scalar field in a low-dimensional representation of a gauge group. The renormalizable action often has accidental symmetries that lead to one or more stable states, providing Dark Matter candidates. The gauge group can confine, or be spontaneously broken by the scalar field: I will discuss the spectrum and symmetries in both cases, focusing in particular on possible dualities between the Higgs and confined phases. I will then discuss the Dark Matter phenomenology in a few illustrative cases, showing that the thermal relic abundance can reproduce the cosmological value for masses around 100 TeV.

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