17–21 Jul 2023
Niels Bohr Institute
Europe/Copenhagen timezone
Zoom room: https://ucph-ku.zoom.us/j/66810127842?pwd=ZDVPVWV2anVtMFVkVklhcVlLUm92QT09 (password is in your e-mail)

Light dark matter around 100 GeV from the inert doublet model

19 Jul 2023, 14:15
15m
Auditorium A (NBI)

Auditorium A

NBI

Speaker

Leila Kalhor (Shahid Beheshti University)

Description

We made global fits of the inert Higgs doublet model (IDM) in the light of collider
and dark matter search limits and the requirement for a strongly first-order elec-
troweak phase transition (EWPT). These show that there are still IDM parameter
spaces compatible with the observational constraints considered. In particular, the
data and theoretical requirements imposed favour the hypothesis for the existence
of a scalar dark matter candidate around 100 GeV. This is mostly due to the pull
towards lower masses by the EWPT constraint. The impact of electroweak precision
measurements, the dark matter direct detection limits, and the condition for obtain-
ing a strongly enough first-order EWPT, all have strong dependence, sometimes in
opposing directions, on the mass splittings between the IDM scalars.

Primary authors

Presentation materials