Alternatives to the seesaw: Extra Z's and constraints on large extra dimensions

Paul Langacker

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Alternatives to the traditional grand unified theory seesaw for neutrino masses are briefly described. These include the possibility of large extra dimensions and various possibilities for models involving an extra U(1)′ gauge symmetry. The difficulty of observing Majorana phases in neutrinoless double beta decay is also briefly commented on.

Original languageEnglish (US)
Pages (from-to)4015-4026
Number of pages12
JournalInternational Journal of Modern Physics A
Volume18
Issue number22
DOIs
StatePublished - Sep 10 2003

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Astronomy and Astrophysics

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