PIRSA:10050014 Scientific Series Particle Physics

DOI10.48660/10050014

Series: Particle Physics

Setzer, N. (2010). An Unparticle Solution to the Hierarchy Problem. Perimeter Institute. https://pirsa.org/10050014

Setzer, Nick. An Unparticle Solution to the Hierarchy Problem. Perimeter Institute, May. 07, 2010, https://pirsa.org/10050014 

@misc{ pirsa_PIRSA:10050014,
  doi = {10.48660/10050014},
  url = {https://pirsa.org/10050014},
  author = {Setzer, Nick},
  keywords = {Particle Physics},
  language = {en},
  title = {An Unparticle Solution to the Hierarchy Problem},
  publisher = {Perimeter Institute},
  year = {2010},
  month = {may},
  note = {PIRSA:10050014 see, \url{https://pirsa.org}}
}

Abstract

The Planck-weak hierarchy is investigated in an extradimensional, soft-wall model originally proposed by Batell and Gherghetta. In this model the soft-wall is dynamically generated by background fields that, in the Einstein frame, cause the metric factor to deviate from anti-de Sitter by a power-law of the conformal coordinate. This talk will demonstrate that in order to achieve the appropriate Planck-weak hierarchy, the power of the conformal coordinate must be less than one. This in turn implies that the gravitational sector contains scalar fields that act like unparticles without a mass gap.

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