Supersymmetry Breaking by the Right-Handed Tau Neutrino

TL;DR

This paper explores a novel supersymmetry breaking mechanism involving the F-term of a heavy right-handed tau neutrino, leading to significant modifications in particle mass matrices and interactions, especially at large tan beta.

Contribution

It introduces a new supersymmetry breaking scenario via the right-handed tau neutrino's F-term, affecting mass matrices and R parity interactions.

Findings

Modifications to neutralino, chargino, and scalar mass matrices.

Introduction of new R parity violating interactions.

Effects become significant at large tan beta.

Abstract

We describe supersymmetry breaking by the F-term of a heavy right-handed tau neutrino with a VEV. Due to the the tau neutrino Yukawa coupling, the neutralino, chargino and scalar mass matrices and the weak currents are modified. In addition, there are new cubic and quartic scalar and trilinear R parity violating interactions. For large $\tan \beta$ these effects may be quite large. The scenario requires low energy supersymmetry breaking with generic values of $F \sim 10^{10}$~GeV.