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A warped relaxion

Fonseca, Nayara ; Von Harling, Benedict ; De Lima, Leonardo ; Machado, Camila S.

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Título:
A warped relaxion
Autor: Fonseca, Nayara ; Von Harling, Benedict ; De Lima, Leonardo ; Machado, Camila S.
Assuntos: axion-like particles ; hierarchy ; membrane model ; new physics ; space-time: higher-dimensional ; space-time: warped
Notas: 1126-6708
10.1007/jhep07(2018)033
1029-8479
arXiv:1712.07635
RelationTypeNote: IsVariantFormOf -- 10.1007/jhep07(2018)033
Journal of high energy physics 1807(07), 033 (2018). doi:10.1007/JHEP07(2018)033
Published by Springer Nature, Cham
1127-2236
Descrição: We construct a UV completion of the relaxion in a warped extra dimension. We identify the relaxion with the zero mode of the fifth component of a bulk gauge field and show how hierarchically different decay constants for this field can be achieved by different localizations of anomalous terms in the warped space. This framework may also find applications for other axion-like fields. The cutoff of the relaxion model is identified as the scale of the IR brane where the Higgs lives, which can be as high as 10$^{6}$ GeV, while above this scale warping takes over in protecting the Higgs mass.
Editor: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Data de criação/publicação: 2018
Idioma: Inglês

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