(Pseudo) Dirac neutrino masses in Supergravity

Abstract

In this talk, we discuss the idea of how Dirac or Pseudo-Dirac neutrino masses arise naturally with a correct size, after the breaking of local N=1 supersymmetry.

Comments: 4 pages, Talk given at SUSY 2004, June 17-23, 2004, Tsukuba, Japan