For internal use only

Olivier Mattelaer

Research scientist


Centre for Cosmology, Particle Physics and Phenomenology - CP3
Université catholique de Louvain
2, Chemin du Cyclotron - Box L7.01.05
B-1348 Louvain-la-Neuve

+32 10 472010 (CP3)


Personal homepage

UCL member card
CECI Formation
- ssh
- Object Oriented in C++
- Container on HPC with Singularity
- Checkpointing
- Code versioning

- Lecture
- Tutorial
Particle physics Review
Automated Computation of One-Loop Amplitudes
freely accessible from this link:

Research directions:
Theories of the fundamental interactions
Phenomenology of elementary particles
Data analysis in HEP experiments

Experiments and collaborations:

Active projects
Loop-induced processes in the SM and Beyond
Fabio Maltoni, Olivier Mattelaer

Automation within MadGraph5_aMC@NLO and phenomenological studies of loop-induced processes for the LHC
Fabio Maltoni, Olivier Mattelaer

Monte Carlo development.

External collaborators: Benjamin Fuks, Kentarou Mawatari, Kaoru Hagiwara, Tim Stelzer, Stefano Frixione, Marco Zaro, Rikkert Frederix, Valentin Hirschi, Paolo Torrielli, Johan Alwall, Hua-Sheng Shao, Mihailo Backovic,...

Non-active projects
Publications in CP3
All my publications on Inspire

Number of publications as CP3 member: 25 Download BibTeX

Last 5 publications


CP3-19-52: Automated Predictions for Polarized Parton Scattering
Buarque Franzosi, Diogo and Mattelaer, Olivier and Ruiz, Richard and Shil, Sujay

[Abstract] [PDF]
45 pages, 10 figures (36 pdf files)
Refereed paper. November 29.
CP3-19-38: Towards a generic implementation of matrix element maximisation as a classifier in particle physics
Stefan von Buddenbrock, Olivier Mattelaer, Michael Spannowsky

to be published
Refereed paper. August 14.


CP3-18-70: Event generation for beam dump experiments
Buonocore, Luca and Frugiuele, Claudia and Maltoni, Fabio and Mattelaer, Olivier and Tramontano, Francesco

[Abstract] [PDF] [Journal] [Dial]
to be submitted
Refereed paper. December 3.
CP3-18-60: Searching for New Long Lived Particles in Heavy Ion Collisions at the LHC
Drewes, Marco and Giammanco, Andrea and Hajer, Jan and Lucente, Michele and Mattelaer, Olivier

[Abstract] [PDF] [Journal] [Dial]
Refereed paper. October 22.
CP3-18-27: Automated computation of one-loop amplitudes
C. Degrande, V. Hirschi, O. Mattelaer

[Full text]
Review paper requested by AR Nuclear and Particle Science
(reviewed by Michael Peskin)
May 9.

More publications