Karlsruhe School of Elementary Particle and Astroparticle Physics: Science and Technology (KSETA)

Lea Reuter

Information

Institute: ETP
Building: 30.32
Room: 9-22
Phone: +49 721 608 43418
Email: Lea.Reuter#kit.edu
Supervisor: Prof. Dr. Torben Ferber
Supervisor: Prof. Dr. Markus Klute

PhD Topics

    Track Finding with Graph Neural Networks in the Belle II Drift Chamber
    Development of a new machine learning based tracking algorithm for the Belle II collaboration, including implementation in the software framework and extensive validation studies.


Publications (with significant contributions)

Title Journal Authors Year
End-to-End Multi-Track Reconstruction using Graph Neural Networks at Belle II Computing and Software for Big Science 9, article 6 Lea Reuter, Giacomo De Pietro, Slavomira Stefkova, Torben Ferber, Valerio Bertacchi, Giulia Casarosa, Luigi Corona, Patrick Ecker, Alexander Glazov, Yubo Han et al. 2025
Design of the Global Reconstruction Logic in the Belle II Level-1 Trigger system NIM-A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1078:170577, September 2025
Y.-T. Lai, et al. 2025
The Belle II Detector Upgrades Framework Conceptual Design Report Belle II Report (e-print)
Aihara, H. et al. 2024
Real-time Graph Building on FPGAs for Machine Learning Trigger Applications in Particle Physics Computing and Software for Big Science 8 Marc Neu, Juergen Becker, Philipp Dorwarth, Torben Ferber, Lea Reuter, Slavomira Stefkova, Kai Unger 2023
Learning tree structures from leaves for particle decay reconstruction Machine Learning: Science and Technology 3 James Kahn, Ilias Tsaklidis, Oskar Taubert, Lea Reuter, Giulio Dujany, Tobias Boeckh; Arthur Thaller, Pablo Goldenzweig, Florian Bernlochner, Achim Streit et al. 2022

A comprehensive index of my published works is accessible on the website INSPIRE-HEP.


Master's Thesis

Full Event Interpretation using Graph Neural Networks

Date: February 17th, 2022
Referee: Prof. Dr. Torben Ferber
Second Referee: Prof Dr. Günter Quast
Supervisor: Dr. James Kahn


Conference Talks and Poster

L. Reuter, G. De Pietro, T. Ferber
End-to-End Multi-Track Reconstruction using Graph Neural Networks at Belle II
DPG Spring Meeting 2025
L. Reuter
Seminar on End-to-End Multi-Track Reconstruction using Graph Neural Networks
Invited Talk at Pheno-Seminar ITP Heidelberg 2025
L. Reuter
End-to-End Multi-Track Reconstruction using Graph Neural Networks at Belle II
Karlsruhe Machine Learning Workshop 2024
L. Reuter, G. De Pietro, T. Ferber, S. Stefkova
End-to-End Track Reconstruction using Graph Neural Networks at Belle II
HelmholtzAI Conference 2024
L. Reuter, G. De Pietro, T. Ferber, S. Stefkova
Graph Neural Network based Tracking at Belle II
DPG Spring Meeting 2024
L. Reuter, P. Dorwarth, T. Ferber, S. Stefkova
Graph Neural Network based Track Finding in the Central Drift Chamber at Belle II
CHEP 26th International Conference on Computing in High Energy & Nuclear Physics 2023
L. Reuter, P. Dorwarth, T. Ferber, S. Stefkova
Graph Neural Network based Track Finding in the Central Drift Chamber at Belle II
DPG Spring Meeting 2023
L. Reuter
GNN based Track and Vertex Finding for the Trigger Tracking Pipeline at Belle II
Heidelberg Machine Learning Workshop 2022
L. Reuter, P. Dorwarth, T. Ferber, S. Stefkova
GNN-based Track and Vertex Finding at Belle II
DPT 2022
J. Cerasoli, G. Dujany, J. Kahn, I. Tsaklidis, O. Taubert, L. Reuter, T. Boeckh; A. Thaller, P. Goldenzweig, T. Ferber
A graph neural network for B decays reconstruction at Belle II (Poster)
ACAT 2022

Belle II Internal

L. Reuter, G. De Pietro, T. Ferber
GNN Tracking Developments at KIT
Belle II F2F Tracking Meeting Uppsala 2025
L. Reuter, G. De Pietro, T. Ferber, S. Stefkova
End-to-End Multi-Track Reconstruction using Graph Neural Networks in the CDC
49th B2GM at KEK
L. Reuter, G. De Pietro, T. Ferber, S. Stefkova
Graph Neural Networks based Tracking
German Belle II Meeting 2024
L. Reuter, G. De Pietro, T. Ferber, S. Stefkova
Graph Neural Network based Track Finding
Belle II F2F Tracking Meeting Torino 2024
L. Reuter, T. Ferber, S. Stefkova
Graph Neural Network based Track Finding in the CDC
German Belle II Meeting 2023
L. Reuter, T. Ferber, S. Stefkova
CDCTRG GNN based Track Finding in the CDC
Belle II General Meeting 2023
L. Reuter, P. Dorwarth, T. Ferber, S. Stefkova
GNN Tracking
Belle II F2F Tracking Meeting Hamburg 2023
L. Reuter, P. Dorwarth, T. Ferber, S. Stefkova
CDCTRG GNN Based Tracking
Belle II General Meeting 2022
L. Reuter, P. Dorwarth, T. Ferber, S. Stefkova
GNN-based Track- and Vertex-Finding
German Belle II Meeting 2022

Awards and Prizes

Title Awarder Year
1st Place for Best Poster KSETA Workshop 2024
1st Place for Best Poster 26th International Conference on Computing in High Energy & Nuclear Physics 2023

Outreach Experience

KIT Outreach Events

Designed VR Posters, Virtual Reality Supervising
2022-2025
KIT Girls Day

Bubble Chamber and Virtual Reality Supervising
2023-2024
Designed the Lego Belle II mini detector

L. Reuter, G. De Pietro, M. Bauer
2023
Effekte: Code of the Universe

Worked on Posters, Virtual Reality Supervising, Belle II Masterclass
2022
Developed and organized Belle II Masterclass

J. Eppelt, I. Haide, F. Gostner, A. Heidelbach, L. Reuter
2022
Part of the KIT Belle II VR Team

L. Reuter, I. Haide, G. De Pietro, M. Bauer, G. Heine, A. Heidelbach

Conferences, Workshops & Summer Schools

Name Place Date
Belle II F2F Tracking Meeting Uppsala, Sweden May 2025
DPG Spring Meeting 2025 Göttingen, Germany March 2024
Karlsruhe Machine Learning Workshop Karlsruhe, Germany December 2024
2024 Belle II Physics Week Tsukuba, Japan October 2024
49th Belle II General Meeting Tsukuba, Japan October 2024
German Belle II Meeting Hamburg, Germany September 2024
HelmholtzAI Conference 2024 Düsseldorf, Germany June 2024
DPG Spring Meeting 2024 Karlsruhe, Germany March 2024
Belle II F2F Tracking Meeting Torino, Italy January 2024
46th Belle II General Meeting Tsukuba, Japan October 2023
German Belle II Meeting Karlsruhe, Germany September 2023
CERN School of Computing Tartu, Estonia August 2023
26th International Conference on Computing in High Energy and Nuclear Physics (CHEP 2023) Norfolk, VA, USA May 2023
DPG Spring Meeting 2023 Dresden, Germany March 2023
Belle II F2F Tracking Meeting Hamburg, Germany January 2023
Heidelberg Machine Learning Workshop Heidelberg, Germany December 2022
German Conference of Women in Physics 2022 Karlsruhe, Germany March 2022
German Belle II Meeting Munich, Germany October 2022

Teaching Experience

WS 2024: Tutor, Particle Physics I
WS 2023: Tutor, Advanced Physics Lab Courses
WS 2022: Tutor, Advanced Physics Lab Courses
SS 2022: Tutor, Modern Experimental Physics III, Particles and Hadrons
SS 2021: Tutor, Modern Experimental Physics III, Particles and Hadrons

Work Reports (internal)

KSETA Work Report 2022
KSETA Work Report 2023
KSETA Work Report 2024

Courses Attended During Graduate School

CourseDate
Belle II Physics WeekOct 14 – 18, 2024
Ethics in the labFeb 26, 2024
Scalable Artificial IntelligenceOct 05 - 06, 2023
Chip design courseMarch 16 – 17, 2023
Basics of Science CommunicationMarch 10, 2023
CERN School of ComputingAug 20 – Sep 02, 2023