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Research Institute in Mathematics and Physics

Centre for Cosmology, Particle Physics and Phenomenology

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Research Institute in Mathematics and Physics

Centre for Cosmology, Particle Physics and Phenomenology

News

  • 26 January 2026
    The UCLouvain rectoral council visits CERN
     At the beginning of this year, the entire rectoral team went on a multi-day work retreat at CERN.
  • 3 December 2025
    MadGraph5_aMC@NLO Reaches 10,000 Citations
    In 2012, two major teams in particle physics simulation joined forces: the MadGraph5 team, known for its ability to simulate any Standard Model (SM) or Beyond Standard Model (BSM) process at
  • 4 December 2025
    Anna Benecke selected as FNRS Chercheuse Qualifiée
    We are proud to announce that Anna Benecke, a member of CP3 since 2021, has been selected by the FNRS as Chercheuse Qualifiée (a permanent research position within the FNRS).
  • 13 November 2025
    What if the big bang was hotter than expected ?
    Researchers from UCLouvain, in collaboration with Caltech (United States) and the Max Planck Institute for Physics (Germany), have just proposed a new way to tell the story of the universe’s beginnings. Their model challenges the idea of a cold and empty Big Bang: according to them, the universe was “hot” from its very first fractions of a second thanks to a particle called the axion.
  • 27 February 2025
    Discovery of an ultra-high-energy particle (neutrino)
    Every second, trillions of neutrinos pass through each of us. These extremely abundant particles give astrophysicists a new lens to better understand our cosmos.
The UCLouvain Centre for Cosmology, Particle Physics and Phenomenology (CP3) hosts research on high energy particle physics, cosmology, phenomenology and theory of the fundamental interactions. It is strong on both the experimental and theoretical fronts. The aim of the Centre is to bring together researchers in these scientific fields and to encourage collaboration. You'll find below links to the details of our main research directions and the related projects.

Research directions:

CP3 - Agenda

Upcoming events

CP3 Seminar - Zhe Ren
Tuesday 29th September, 1:00 pm
[link]
Belgian-Dutch Gravitational Wave Meeting
Wednesday 7th October, 1:00 pm
[link]
CP3 Seminar - Simone Devoto
Tuesday 3rd November, 1:00 pm
[link]
CP3 - Preprints

Latest preprints

Consistent treatment of flavour-specific neutrino self-interactions in cosmology
Barenboim, Gabriela and Drewes, Marco and Oldengott, Isabel M.
[Abstract] [PDF]
23 pages, 4 figures
Refereed paper. September 15.

Light deflection in the gravimagnetic dipole spacetime
Clémentine Dassy, Jan Govaerts
[Abstract] [PDF] [Local file]
Published in Journal of Physics: Conference Series, Volume 3177
Proceedings of The 24th International Conference on General Relativity and Gravitation (GR24) and the 16th Edoardo Amaldi Conference on Gravitational Waves (Amaldi16) 14/07/2025 - 18/07/2025 Glasgow, United Kingdom
Refereed paper. Contribution to proceedings. September 7.

MadSpin2: automated spin-entangled decays of heavy resonances via the spin-density matrix formalism
Argyropoulos, Spyros and Durupt, Valentin and Mattelaer, Olivier
[Abstract] [PDF]
prepared for JHEP submission
Refereed paper. September 1.

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