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Title: The light radion window

Journal Article · · Journal of High Energy Physics (Online)

Inspired by the Contino-Pomarol-Rattazzi mechanism we explore scenarios with a very light (1 keV to 10 GeV) radion which could be associated with the suppression of the electroweak contribution to vacuum energy. We construct explicit, realistic models that realize this mechanism and explore the phenomenological constraints on this class of models. Compared with axion-like particles in this mass range, the bounds from SN 1987a and from cosmology can be much weaker, depending on the mass of the radion and its coupling to other particles. As a result, with couplings suppressed by a scale lower than 100 TeV, much of the mass window from 100 keV to 10 GeV is still open.

Research Organization:
Univ. of California, Davis, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0009999
OSTI ID:
1483614
Journal Information:
Journal of High Energy Physics (Online), Vol. 2018, Issue 10; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 9 works
Citation information provided by
Web of Science

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Cited By (4)

Radion-activated Higgs mechanism text January 2020
Radion-Activated Higgs Mechanism text January 2019
Radion-activated Higgs mechanism journal March 2020
Radion-Activated Higgs Mechanism text January 2019

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