Right-handed sneutrino as cold dark matter of the universe

Details Right-handed sneutrino as cold dark matter of the universe Right-handed sneutrino as cold dark matter of the universe

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jphcs.120d2006a&link_type=abstract

Journal of Physics: Conference Series, Volume 120, Issue 4, pp. 042006 (2008).

Physics

1

Scientific paper

We consider the minimal supersymmetric standard model (MSSM) extended by three right-handed neutrinos. Assuming that neutrino masses are purely Dirac-type, the lightest right-handed sneutrino ν~R can be the lightest superparticle (LSP). We discuss the possibility that the LSP ν~R becomes dark matter of the universe, paying attention to the production of ν~R in the early universe. This work is based on collaboration with K. Ishiwata and T. Moroi [1, 2].

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