3 papers
hep-ph2026
Asymmetric Reheating of Dark QED
Simon Cléry, Jean Kimus, Michel H. G. Tytgat
We study in detail a scenario in which the inflaton scalar field couples to both a visible sector (VS) and a hidden sector (HS). The VS is assumed to contain the Standard Model (SM…
hep-ph2025
Light from darkness: history of a hot dark sector
Rupert Coy, Jean Kimus, Michel H. G. Tytgat
We study a scenario in which the expansion of the Early Universe is driven by a hot hidden sector (HS) with an initial temperature that is significantly higher than that of th…
hep-ph2025
On new physics off the Z peak in
Aliaksei Kachanovich, Jean Kimus, Steven Lowette +1
Motivated by a small but intriguing excess observed in the decay mode reported by both the ATLAS and CMS collaborations, we explore the possibility…