The light radion window
Journal Article
·
· Journal of High Energy Physics (Online)
- Univ. of California, Davis, CA (United States). Dept. of Physics
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
Cited by: 9 works
Citation information provided by
Web of Science
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