U(1)_R-mediated supersymmetry breaking from a six-dimensional flux compactification

TL;DR

This paper explores a six-dimensional flux compactification model with U(1)_R symmetry, leading to supersymmetry breaking and specific soft scalar mass predictions relevant for dark matter phenomenology.

Contribution

It presents a concrete 6D supergravity model with U(1)_R symmetry, analyzing moduli stabilization and deriving soft scalar masses in the visible sector.

Findings

Soft scalar masses mainly determined by U(1)_R D-term

Low energy superparticle spectrum obtained

Implications for dark matter relic abundance discussed

Abstract

We study the U(1)_R-mediated supersymmetry breaking in a flux compactification of 6D chiral gauged supergravity with codimension-two branes. We consider a concrete model with manifest U(1)_R invariance for moduli stabilization and visible sector in the context of 4D effective supergravity with gauged U(1)_R and determine soft scalar masses in the visible sector mainly by a nonzero U(1)_R D-term. We obtain a low energy superparticle spectrum and discuss on the implications of the obtained non-universal scalar soft masses on the SUSY phenomenology such as dark matter relic abundances.