English

See-saw mechanism and four light neutrino state

High Energy Physics - Phenomenology 2009-11-07 v1

Abstract

A formal proof is given that in a see-saw type neutrino mass matrix with only two neutrino mass scales (mDmRm_D \ll m_R) and the maximal rank of mR(D)m_{R(D)}, we can not get a fourth light sterile neutrino.

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Cite

@article{arxiv.hep-ph/0107298,
  title  = {See-saw mechanism and four light neutrino state},
  author = {M. Czakon and J. Gluza and M. Zralek},
  journal= {arXiv preprint arXiv:hep-ph/0107298},
  year   = {2009}
}

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5 pages