Supersymmetric Musings on the Predictivity of Family Symmetries
Kenji Kadota, Joern Kersten, Liliana Velasco-Sevilla
TL;DR
This paper examines how family symmetries influence the predictability of soft supersymmetry breaking parameters within supergravity, highlighting the impact of hidden sector details and proposing specific messenger field choices to enhance predictivity.
Contribution
It analyzes the limitations of predictivity due to unknown sectors and identifies messenger configurations that can improve predictions in supersymmetric models.
Findings
Unknown messenger and hidden sectors affect soft parameter predictions.
Certain messenger field choices can enhance predictivity.
Predictive power is limited by sector details.
Abstract
We discuss the predictivity of family symmetries for the soft supersymmetry breaking parameters in the framework of supergravity. We show that unknown details of the messenger sector and the supersymmetry breaking hidden sector enter into the soft parameters, making it difficult to obtain robust predictions. We find that there are specific choices of messenger fields which can improve the predictivity for the soft parameters.
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