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The cosmological Higgstory of the vacuum instability
Jose R. Espinosa, Gian F. Giudice, Enrico Morgante +4
The Standard Model Higgs potential becomes unstable at large field values. After clarifying the issue of gauge dependence of the effective potential, we study the cosmological evol…
(No) Eternal Inflation and Precision Higgs Physics
Nima Arkani-Hamed, Sergei Dubovsky, Leonardo Senatore +1
Even if nothing but a light Higgs is observed at the LHC, suggesting that the Standard Model is unmodified up to scales far above the weak scale, Higgs physics can yield surprises…
The Minimal Model for Dark Matter and Unification
Rakhi Mahbubani, Leonardo Senatore
Gauge coupling unification and the success of TeV-scale weakly interacting dark matter are usually taken as evidence of low energy supersymmetry (SUSY). However, if we assume that…
Hierarchy from Baryogenesis
Leonardo Senatore
We study a recently proposed mechanism to solve the hierarchy problem in the context of the landscape, where the solution of the hierarchy problem is connected to the requirement o…
How heavy can the Fermions in Split Susy be? A study on Gravitino and Extradimensional LSP
Leonardo Senatore
In recently introduced Split Susy theories, in which the scale of Susy breaking is very high, the requirement that the relic abundance of the Lightest SuperPartner (LSP) provides t…