3 papers
hep-ph2025
ELENA: a software for fast and precise computation of first order phase transitions and gravitational waves production in particle physics models
Francesco Costa, Jaime Hoefken Zink, Michele Lucente +2
We present ELENA (EvaLuator of tunnElliNg Actions), an open-source Python package designed to compute the full evolution of first-order phase transitions in the early Universe gene…
hep-ph2025
From oversimplified to overlooked: the case for exploring Rich Dark Sectors
Asli Abdullahi, Francesco Costa, Andrea Giovanni De Marchi +9
The Standard Model (SM) of particle physics provides a very successful description of fundamental particles and their interactions but it is incomplete, as neutrino masses, dark ma…
hep-ph2025
Supercooled Dark Scalar Phase Transitions explanation of NANOGrav data
Francesco Costa, Jaime Hoefken Zink, Michele Lucente +2
The evidence of a Stochastic Gravitational Wave Background (SGWB) in the nHz frequency range is posed to open a new window on the Universe. A preferred explanation relies on a supe…