Aspects of Axion Phenomenology in a slice of AdS_5

Details Aspects of Axion Phenomenology in a slice of AdS_5 Aspects of Axion Phenomenology in a slice of AdS_5

2006-12-11

arxiv.org/abs/hep-ph/0612126v1

JHEP 0703:007,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages, 9 figures

Scientific paper

10.1088/1126-6708/2007/03/007

Motivated by multi-throat considerations, we study the phenomenological implications of a bulk axion in a slice of AdS_5 with a large extra dimension: k~0.01 eV, kR > 1. In particular, we compare axion physics with a warped geometry to axions in flat compactifications. As in flat compactification scenarios, we find that the mass of the axion can become independent from the underlying Peccei-Quinn scale. Surprisingly, we find that in warped extra dimensions the axion's invisibility, cosmological viability, and basic phenomenology remain essentially unaltered in comparison to axions in flat compactifications.

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