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Singlet Extensions of the MSSM with Z4R Symmetry

  • Author(s): Ratz, M;
  • Vaudrevange, PKS
  • et al.
Abstract

We discuss singlet extensions of the MSSM with Z4R symmetry. We show that holomorphic zeros can avoid a potentially large coefficient of the term linear in the singlet. The emerging model has both an effective term and a supersymmetric mass term for the singlet N which are controlled by the gravitino mass. The term turns out to be suppressed against N by about one or two orders of magnitude. We argue that this class of models might provide us with a solution to the little hierarchy problem of the MSSM.

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