99 citations · 285 across the 13 of their papers we have counts for
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hep-ph2023★ 8 cited
Neutrino mixing sum rules and the Littlest Seesaw
Francesco Costa, Stephen F. King
In this work, we study the neutrino mixing sum rules arising from discrete symmetries, and the class of Littlest Seesaw (LS) neutrino models. These symmetry based approaches all of…
hep-ph2023★ 1 cited
Freeze-in at stronger coupling
Catarina Cosme, Francesco Costa, Oleg Lebedev
Predictivity of many non-thermal dark matter (DM) models is marred by the gravitational production background. This problem is ameliorated in models with lower reheating temperatur…
hep-ph2023
Two-component WIMP FIMP dark matter
Francesco Costa
The document discusses a proposed extension to the Standard Model that aims to explain the presence of neutrino masses and the existence of dark matter. The model includes two pote…