MSSM soft terms from supergravity with gauged R-symmetry in de Sitter vacuum

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Abstract

We work out the phenomenology of a model of supersymmetry breaking in the presence of a tiny (tunable) positive cosmological constant, proposed by the authors in arXiv:1403.1534. It utilizes a single chiral multiplet with a gauged shift symmetry that can be identified with the string dilaton (or an appropriate compactification modulus). The model is coupled to the MSSM, leading to calculable soft supersymmetry breaking masses and a distinct low energy phenomenology that allows to differentiate it from other models of supersymmetry breaking and mediation mechanisms.

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Antoniadis, I., & Knoops, R. (2016). MSSM soft terms from supergravity with gauged R-symmetry in de Sitter vacuum. Nuclear Physics B, 902, 69–94. https://doi.org/10.1016/j.nuclphysb.2015.11.010

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