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- W2090198124 abstract "We show that in string theory or supergravity with supersymmetry breaking through combined F-terms and Fayet–Iliopoulos D-terms the masses for charged scalars and fermions can be hierarchically split. The mass scale for the gauginos and higgsinos of the MSSM is controlled by the gravitino mass m3/2, as usual, while the scalars get extra contributions from the D-terms of extra Abelian U(1) factors, which can make them much heavier. The vanishing of the vacuum energy requires that their masses lie below m3/2MPl, which for m3/2=O(TeV) sets a bound of 1010–13GeV. Thus, scalars with non-vanishing U(1) charges typically become heavy, while others remain light, producing a spectrum of scalars with masses proportional to their charges, and therefore non-universal. This is a modification of the split supersymmetry scenario, but with a light gravitino. We discuss how Fayet–Iliopoulos terms of this size can arise in orientifold string compactifications with D-branes. Furthermore, within the frame work of D-term inflation, the same vacuum energy that generates the heavy scalar masses can be responsible for driving cosmological inflation." @default.
- W2090198124 created "2016-06-24" @default.
- W2090198124 creator A5021943677 @default.
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- W2090198124 date "2005-04-01" @default.
- W2090198124 modified "2023-09-27" @default.
- W2090198124 title "Hierarchically split supersymmetry with Fayet–Iliopoulos D-terms in string theory" @default.
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- W2090198124 doi "https://doi.org/10.1016/j.nuclphysb.2005.01.030" @default.
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