Anomaly Mediation, Fayet-Iliopoulos D-terms and the Renormalisation Group
R. Hodgson, I. Jack, D.R.T. Jones
TL;DR
This paper investigates the renormalisation group evolution in anomaly mediated supersymmetry breaking models, focusing on resolving tachyonic slepton issues with Fayet-Iliopoulos terms and analyzing resulting sparticle spectra.
Contribution
It provides a detailed analysis of RG evolution in AMSB models with Fayet-Iliopoulos terms, including spectra for different formulations and GUT-compatible scenarios.
Findings
Resolved tachyonic slepton problem using Fayet-Iliopoulos terms.
Presented sparticle spectra for original and GUT-compatible models.
Compared different formulations of anomaly mediation with FI terms.
Abstract
We address renormalisation group evolution issues that arise in the Anomaly Mediated Supersymmetry Breaking scenario when the tachyonic slepton problem is resolved by Fayet-Iliopoulos term contributions. We present typical sparticle spectra both for the original formulation of this idea and an alternative using Fayet-Iliopoulos terms for a U(1) compatible with a straightforward GUT embedding.
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