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Compressed electroweakino spectra at the LHC
Pedro Schwaller, Jose Zurita
In this work, we examine the sensitivity of monojet searches at the LHC to directly produced charginos and neutralinos (electroweakinos) in the limit of small mass splitting, where…
The Scale of Dark QCD
Yang Bai, Pedro Schwaller
Most of the mass of ordinary matter has its origin from quantum chromodynamics (QCD). A similar strong dynamics, dark QCD, could exist to explain the mass origin of dark matter. Us…
Dark Matter and Vector-like Leptons From Gauged Lepton Number
Pedro Schwaller, Tim M. P. Tait, Roberto Vega-Morales
We investigate a simple model where Lepton number is promoted to a local gauge symmetry which is then spontaneously broken, leading to a viable thermal DM candidate and ve…
Scattering Rates For Leptogenesis: Damping of Lepton Flavour Coherence and Production of Singlet Neutrinos
Bjorn Garbrecht, Frank Glowna, Pedro Schwaller
Using the Closed-Time-Path approach, we perform a systematic leading order calculation of the relaxation rate of flavour correlations of left-handed Standard Model leptons. This qu…
A Supersymmetric Theory of Vector-like Leptons
Aniket Joglekar, Pedro Schwaller, Carlos E. M. Wagner
We study a supersymmetric extension of the vector-like lepton scenario, such that the vacuum instability induced by large lepton Yukawa couplings is lifted by the presence of super…