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Non-thermal WIMP Production from Higher Order Moduli Decay
Amitayus Banik, Manuel Drees
In a non-standard cosmological scenario, heavy, long-lived particles, which we call moduli, dominate the energy density prior to Big Bang Nucleosynthesis. Weakly Interacting Massiv…
Constraints on Light Leptophilic Dark Matter Mediators from Decay Experiments
Gerrit Bickendorf, Manuel Drees
We study the influence of leptophilic dark matter interactions on decays of muons and ground state mesons in existing experiments. We consider a secluded dark sector exclusively in…
Multi-Species Thermalization Cascade of Energetic Particles in the Early Universe
Manuel Drees, Bardia Najjari
Heavy long-lived particles are abundant in BSM physics and will, under generic circumstances, get to dominate the energy density of the universe. The resulting matter dominated era…
Machine Learning Optimized Search for the from at the LHC
Manuel Drees, Meng Shi, Zhongyi Zhang
Extending the Standard Model (SM) by a group gives potentially significant new contributions to , allows the construction of realistic neutrino mass matrice…
for Light Dark Matter, , the keV excess and the Hubble Tension
Manuel Drees, Wenbin Zhao
In this paper we introduce a light Dirac particle as thermal dark matter candidate in a model. Together with the new gauge boson , we find a possible parame…
Energy Spectrum of Thermalizing High Energy Decay Products in the Early Universe
Manuel Drees, Bardia Najjari
We revisit the Boltzmann equation governing the spectrum of energetic particles originating from the decay of massive progenitors during the process of thermalization. We assume th…