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Cosmological Higgs-Axion Interplay for a Naturally Small Electroweak Scale

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arxiv 1506.09217 v1 pith:OKZTYZEF submitted 2015-06-30 hep-ph astro-ph.COhep-th

Cosmological Higgs-Axion Interplay for a Naturally Small Electroweak Scale

J.R. Espinosa , C. Grojean , G. Panico , A. Pomarol , O. Pujol\`as , G. Servant This is my paper
classification hep-ph astro-ph.COhep-th
keywords scaleaxion-likecosmologicalelectroweakhiggshiggs-axioninterplaynaturally
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Recently, a new mechanism to generate a naturally small electroweak scale has been proposed. It exploits the coupling of the Higgs to an axion-like field and a long era in the early universe where the axion unchains a dynamical screening of the Higgs mass. We present a new realization of this idea with the new feature that it leaves no signs of new physics up to a rather large scale, 10^9 GeV, except for two very light and weakly coupled axion-like states. One of the scalars can be a viable Dark Matter candidate. Such a cosmological Higgs-axion interplay could be tested with a number of experimental strategies.

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Cited by 4 Pith papers

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