A solution to the hierarchy problem from an almost decoupled hidden sector within a classically scale invariant theory

2007/09/30 by Robert Foot, Archil Kobakhidze, Kristian L. McDonald +1 · 2 citations
Physics and Astronomy · #hep-ph #hep-th

paper · pdf · doi:10.1103/physrevd.77.035006

published as Phys.Rev.D77:035006,2008 · 10 pages

arxiv created 2007/12/05 · arxiv updated 2009/12/01

Abstract

If scale invariance is a classical symmetry then both the Planck scale and the weak scale should emerge as quantum effects. We show that this can be realized in simple scale invariant theories with a hidden sector. The weak/Planck scale hierarchy emerges in the (technically natural) limit where the hidden sector decouples from the ordinary sector. The weak scale is protected from quadratic divergences because of classical scale invariance, so there is no hierarchy problem.

Cited by

• Comment on Papers by Foot, Kobakhidze, McDonald and Volkas Relating to Scale Invariance Symmetry
• A scale invariant extension of the Georgi Machacek model

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