Two new preprints on particle-flow foundation models and ParticleTransformers
We have released two new preprints presenting advanced machine learning applications for particle reconstruction: “ParticleTransformer is all you need for reconstructing …
News
Research publications, talks, awards, collaborations, and other recent activities.
2026
Panel discussion at sTARTUp Day 2026
I participated in a panel discussion at sTARTUp Day 2026 in Tartu, Estonia. The panel was titled “Cutting Through the Hype – Quantum and AI Technology Limits, Lessons, and …
Paper on CMS full event interpretation with MLPF accepted by EPJC
Our paper “Full event interpretation with machine-learning-based particle-flow reconstruction in the CMS detector” has been accepted for publication in the European …
Talk at ZPW2026 on machine-learned particle flow
I had the opportunity to present our work at the Zurich Phenomenology Workshop (ZPW2026: Machine Learning Techniques for Particle Physics) held at the University of Zurich, …
2025
First PhD student defended successfully
My first PhD student, co-supervised with María Benito, defended successfully in December at Taltech. His thesis was on the use of HPC and ML methods for astrophysical data …
Presentation about the CoE Foundations of the Universe
I had the opportunity to present the Center of Excellence - Fundamental Universe at the TeadusEST 2025 forum in Tartu, organized by ETAG - Estonian Research Council. The Center of …
Practical AI with open source models at the Taltech AI retreat
I gave a 90-minute live coding presentation on practical AI using open source models at the Taltech AI Retreat 2025: https://taltech.ee/en/events/AI-retreat I spoke about how open …
Research featured in Estonian National TV
My research was featured in the Estonian National TV program Attention, Science! Check out some cool visualizations below.
Presentation on machine-learned particle flow at the CERN OpenLab workshop
I gave a presentation at the CERN OpenLab workshop on machine-learned particle flow. https://indico.cern.ch/event/1440389/#6-machine-learned-particle-flo This presentation …
Estonian National Research Award
Our work on ML-based reconstruction for LHC was recognized with the Estonian National Science Award! Grateful to my colleagues at CERN and at UCSD, with whom we started work on the …
Public talk at the Young Academy of Sciences
I gave a presentation at the young scientists forum at the Estonian Young Academy of Sciences. This is an interdisciplinary conference that is organized to bring together …
2024
Lecture on ML at Taltech
I was invited to give a lecture on the use of ML/AI at the LHC at the Taltech course on Deep Learning for Science. The slides are available here: …
4th CERN Baltic Conference
I gave a talk on the use of AI in particle physics at the 4th CERN Baltic Conference. The slides are available here: …
Science radio show "Kukkuv Õun"
I spoke at the science radio show “Kukkuv Õun” about AI and particle physics: https://kuku.pleier.ee/podcast/kukkuv-oun/184818.
Outreach event at Viimsi High School
I was invited to speak to students at Viimsi High School about CERN, particle physics and AI!
Paper on improved particle flow reconstruction with ML
Our paper on machine-learned particle flow reconstruction is now out in Nature Communications Physics, with open access support by the CERN Library.
Advanced Computing and Analysis Tools 2024, New York
I gave a plenary talk on new ML-based reconstruction workflows for colliders at the Advanced Computing and Analysis Tools (ACAT) 2024 workshop at Stony Brook University, …
Paper on identifying tau leptons with transformers
🎉 New paper out in Computer Physics Communications! 🎉 Tau lepton identification can be addressed efficiently with transformers, significantly outperforming the so-far best algo …
2023
Machine learning for jets at DESY
It’s good to be at the ML4Jets workshop at DESY, with awesome talks & organization! I gave a talk on the recent progress in machine learning for particle flow …
FastML workshop at Imperial College
I participated in the Fast Machine Learning For Science workshop at Imperial College London: https://indico.cern.ch/event/1283970/. The talk on machine learning for particle flow …
Seminar to students from Radboud University
I gave a seminar on high energy physics to students from Radboud University who were visiting KBFI. The slides can be found here: https://doi.org/10.5281/zenodo.14930063
Seminar at the Natural Sciences day at Taltech
I gave a seminar on AI in particle physics at the Taltech Natural Sciences day to prospective undergraduates. The overview of the seminar in Estonian is below: …
2018
Observation of ttH
I took part in the analysis that led to the observation of ttH by the CMS Collaboration: https://cms.cern/news/tth-announcement. I was responsible for developing the matrix element …