Low-Scale Axion from Large Extra Dimensions

Details Low-Scale Axion from Large Extra Dimensions Low-Scale Axion from Large Extra Dimensions

2000-07-27

arxiv.org/abs/hep-ph/0007321v1

Phys.Lett. B504 (2001) 296-300

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, no figure

Scientific paper

10.1016/S0370-2693(01)00315-X

The mass of the axion and its decay rate are known to depend only on the scale of Peccei-Quinn symmetry breaking, which is constrained by astrophysics and cosmology to be between $10^9$ and $10^{12}$ GeV. We propose a new mechanism such that this effective scale is preserved and yet the fundamental breaking scale of $U(1)_{PQ}$ is very small (a kind of inverse seesaw) in the context of large extra dimensions with an anomalous U(1) gauge symmetry in our brane. Unlike any other (invisible) axion model, there are now possible collider signatures in this scenario.

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