期刊
PHYSICS LETTERS B
卷 723, 期 1-3, 页码 126-131出版社
ELSEVIER
DOI: 10.1016/j.physletb.2013.05.002
关键词
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资金
- Japan Society for the Promotion of Science
- [22244031]
- [23104006]
- [24340046]
- Grants-in-Aid for Scientific Research [12J08705, 22244031] Funding Source: KAKEN
We investigate a simple model to explain inflation, neutrino masses and dark matter simultaneously. This is based on the so-called radiative seesaw model proposed by E. Ma in order to explain neutrino masses and dark matter by introducing a Z(2)-odd isospin doublet scalar field and Z(2)-odd right-handed neutrinos. We study the possibility that the Higgs boson as well as neutral components of the Z(2)-odd scalar doublet field can satisfy conditions from slow-roll inflation and vacuum stability up to the inflation scale. We find that a part of parameter regions where these scalar fields can play a role of an inflaton is compatible with the current data from neutrino experiments and those of the dark matter abundance as well as the direct search results. A phenomenological consequence of this scenario results in a specific mass spectrum of scalar bosons, which can be tested at the LHC, the International Linear Collider and the Compact Linear Collider. (c) 2013 Elsevier B.V. All rights reserved.
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