450 citations · 1.1k across the 14 of their papers we have counts for
14 papers
On baryogenesis from dark matter annihilation
Nicolas Bernal, Stefano Colucci, Francois-Xavier Josse-Michaux +2
We study in detail the conditions to generate the baryon asymmetry of the universe from the annihilation of dark matter. This scenario requires a low energy mechanism for thermal b…
Triplet Scalar Dark Matter and Leptogenesis in an Inverse See-Saw Model of Neutrino Mass Generation
Francois-Xavier Josse-Michaux, Emiliano Molinaro
We propose a UV completion of the inverse see-saw scenario using fermion SU(2) triplet representations. Within this framework, a variation of the standard thermal leptogenesis is a…
Phenomenology of WIMPy baryogenesis models
Nicolas Bernal, Francois-Xavier Josse-Michaux, Lorenzo Ubaldi
A possible connection between the abundances of baryonic and dark matter (DM) has been explored so far mostly in the context of the so-called asymmetric DM. Recently, a very differ…
Dark Matter and Leptogenesis in the Inverse Seesaw
Francois-Xavier Josse-Michaux, Emiliano Molinaro
We study a seesaw-type extension of the Standard Model in which the symmetry group is enlarged by a global U(1). We introduce adequate scalar and fermion representations which natu…
A Tight Connection Between Direct and Indirect Detection of Dark Matter through Higgs Portal Couplings to a Hidden Sector
Chiara Arina, Francois-Xavier Josse-Michaux, Narendra Sahu
We present a hidden Abelian extension of the Standard Model including a complex scalar as a dark matter candidate and a light scalar acting as a long range force carrier between da…
Constraining Sommerfeld Enhanced Annihilation Cross-sections of Dark Matter via Direct Searches
Chiara Arina, Francois-Xavier Josse-Michaux, Narendra Sahu
In a large class of models we show that the light scalar field responsible for the Sommerfeld enhancement in the annihilation of dark matter leads to observable direct detection ra…