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

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

2007-09-18

arxiv.org/abs/0709.2750v2

Phys.Rev.D77:035006,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages

Scientific paper

10.1103/PhysRevD.77.035006

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.

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