Speaker
Mr
Thomas Montandon
(Laboratoire Univers et Particule de Montpellier (LUPM))
Description
The two-body Decaying Dark Matter (DDM) model extends the standard cold dark matter paradigm by allowing dark matter particles to decay into a massive daughter particle and a relativistic species. This scenario arises naturally in particle physics and has testable implications for cosmological observables. In this talk, I will introduce the model and present updated constraints on the dark matter lifetime using data from various cosmological surveys, including Planck. Through a profile likelihood analysis, we highlight intriguing features in different datasets and assess the model’s consistency across a wide range of scales.
Primary author
Mr
Thomas Montandon
(Laboratoire Univers et Particule de Montpellier (LUPM))
