Laurits Tani
Researcher in High Energy Physics and Machine Learning
Education
| 09/2019 - 06/2024 |
PhD in Physics Tallinn University of Technology & National Institute of Chemical Physics and Biophysics Thesis: "Measurement of Higgs Boson Properties in Leptonic Final States using ML-methods" Supervisor(s): Prof. Dr. Mario Kadastik and Dr. Christian Veelken |
| 09/2017 - 04/2019 |
Master of Science in Physics ETH Zürich Thesis: "Monitoring the optical quality of the FACT Cherenkov telescope" Supervisor(s): Prof. Dr. Adrian Biland |
| 09/2014 - 05/2017 |
Bachelor of Science in Engineering Physics Tallinn University of Technology Thesis: "The effect of light on the capacitive propeties of the solar cell" Supervisor(s): Dr. Raavo Josepson |
Experience
| 11/2024 - 07/2025 |
Visiting researcher / Postdoc at INFN Bari Activities:
- ML based hadronically decaying tau lepton identification and reconstruction
- ML based cluster counting for particle identification in drift chambers - CMS HH→bbµµ analysis |
| 06/2024 - ... |
Researcher at National Institute of Chemical Physics and Biophysics Activities:
- ML based hadronically decaying tau lepton identification and reconstruction
- Tallinn Tier2 assistant system administrator |
| 09/2019 - 06/2024 |
Junior Researcher at National Institute of Chemical Physics and Biophysics PhD studies. Activities:
- Hyperparameter optimization
- CMS HH→multilepton analysis - ML based hadronically decaying tau lepton identification and reconstruction - Tallinn Tier2 assistant system administrator - Supervised 4 summer students - Gave exercise classes in a particle physics course |
Teaching
| 09/2021 - 01/2022 |
Teaching assistant Tallinn University of Technilogy Exercise classes in Introduction to particle physics (YFX1130) |
| 08/2016 - 05/2017 |
Lecturer Tallinn University of Technology Math and physics prepcourses |
| 02/2016 - 03/2016 |
Lecturer Mektory Physics crash courses for high school students |
Workshops & Schools
| 13/01/2025 - 17/01/2025 |
8th FCC Physics Workshop Talk: "ML based tau identification" CERN https://indico.cern.ch/event/1439509/ |
| 29/08/2022 - 07/09/2022 |
The International Doctorate Network in Particle Physics, Astrophysics and Cosmology (IDPASC) Olomouc, Czech Republic https://indico.cern.ch/event/1137808/ |
| 02/08/2021 - 06/08/2021 |
Baltic School of High-Energy Physics and Accelerator Technologies 2021 Camping ”Ronısi”, Latvia https://indico.cern.ch/event/1029085/ |
| 15/07/2021 - 30/07/2021 |
Seventh Machine Learning in High Energy Physics Summer School 2021 (MLHEP) Virtual https://indico.cern.ch/event/1025052/ |
| 05/07/2021 - 09/07/2021 |
PyHEP 2021 Virtual https://indico.cern.ch/event/1019958/ |
| 23/09/2020 - 30/09/2020 |
CMS Data Analysis School (CMSDAS) Virtual https://indico.cern.ch/event/886923/overview |
| 02/12/2019 - 04/12/2019 |
Combine Workshop and tutorial CERN, Meyrin, Geneva, Switzerland https://indico.cern.ch/event/859454/ |
| 11/08/2019 - 18/08/2019 |
Trans-European School of High Energy Physics Svityaz, Volyn region, Ukraine https://teshep.lal.in2p3.fr/teschool19/ |
| 01/04/2015 - 31/05/2017 |
Internship Department of Physics, Tallinn University of Technology, Estonia Testing solar cells and practice programming in Labview |
| 01/07/2015 - 30/08/2015 |
CERN Summer School CERN, Meyrin, Geneva, Switzerland https://indico.cern.ch/event/387910/ |
| 01/03/2015 - 31/06/2015 |
Internship Technomedicum, Tallinn University of Technology, Estonia Nuclear magnetic resonance spectroscopy |
Projects
| 04/2015 - 05/2017 |
Member of the Satelline team Mektory Spacecenter Member of Team Power. Main activity: Solar panels |
Conferences
| 15/10/2024 - 17/10/2024 |
4th CERN Baltic Conference (CBC 2024) Talk: “Improving Hadronically Decaying Tau Lepton Identification and Reconstruction with Unified End-to-End Machine Learning Methods” Misc: Session chair Tallinn, Estonia https://indico.cern.ch/event/1416853/overview |
| 23/10/2022 - 28/10/2022 |
The 21st International Workshop on Advanced Computing and Analysis Techniques in Physics Research (ACAT 2022) Talk: “Evolutionary algorithms for hyperparameter optimization in machine learning for application in high energy physics” Villa Romanazzi Carducci in Bari, Italy https://indico.cern.ch/event/1106990/overview |
| 10/10/2022 - 12/10/2022 |
The 2nd CERN Baltic Conference (CBC 2022) Talk: “Evolutionary algorithms for hyperparameter optimization in machine learning for application in high energy physics” Vilnius, Lithuania https://indico.cern.ch/event/1147717/overview |
| 25/03/2019 - 29/03/2019 |
DPG-Frühjahrstagung Talk: “FACT-Measuring the Evolution of the Optical Point Spread Function using Muon-Rings” Aachen, Germany https://aachen19.dpg-tagungen.de/index.html |
Collaboration memberships
| 09/2019 - .... |
CMS Collaboration Authorship: 01/2021 - ... |
| 09/2018 - 10/2019 |
FACT Collaboration Authorship: 02/2019 - 10/2019 https://ipa.phys.ethz.ch/research/ResearchProjects/fact.html |
Awards
| 2024 |
MAECI grant Given by: Ministry of Foreign Affairs and International Cooperation (MAECI), Italy https://www.esteri.it/en/opportunita/borse-di-studio/per-cittadini-stranieri/borsestudio_stranieri/ |
Languages
| Estonian | C2 [Mothertongue] |
| English | C1 [2017: IELTS] |
| German | C1 [2013: Deutsches Sprachdiplom by Goethe Institute] |
| Russian | A2 |
Skills
- Python
- C++
- PyTorch
- Tensorflow
- CSS, HTML, Twig
