Phys. Rev. D 67, 085002 (2003) [4 pages]Model for neutrino masses and dark matterReceived 28 October 2002; published 8 April 2003 We propose a model for neutrino masses that simultaneously results in a new dark matter candidate, the right-handed neutrino. We derive the dark matter abundance in this model, show how the hierarchy of neutrino masses is obtained, and verify that the model is compatible with existing experimental results. The toy model provides a potentially economical method of unifying two seemingly separate puzzles in contemporary particle physics and cosmology. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.67.085002
DOI:
10.1103/PhysRevD.67.085002
PACS:
14.60.Pq, 14.60.St, 95.35.+d
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