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

Julian Saffer


Institute: ETP
Building: 425 (CN)
Office: 125
Coordinates: N 49° 05.685 E 008° 25.999
Phone: (+49 721 608) 24349
E-Mail: julian.saffer@kit.edu

PhD Topic

Composition and Spectrum of Cosmic Rays around and below the Knee with IceCube and IceTop


Title Link
Study of Mass Composition of Cosmic Rays with IceTop and IceCube P. Koundal, M. Plum, J. Saffer PoS Link

Conferences and Talks

Title Details Location Date + Link
IceCube Fall Collaboration Meeting 2020 - Madison, WI, USA (Virtual Meeting) Sep 14-25, 2020
Cosmic Rays and Neutrinos in the Multi-Messenger Era - Paris, France (Virtual Conference) Dec 7-11, 2020
DPG Spring Meeting 2021 Talk: "Low-Energy Cosmic Ray Composition Spectra with IceCube and IceTop in Synergy" Dortmund, Germany (Virtual Meeting) Mar 15-19, 2021
IceCube Spring Collaboration Meeting 2021 - Aachen, Germany (Virtual Meeting) Mar 17-26, 2021
International Cosmic Ray Conference (ICRC) 2021 Proceeding: "Study of mass composition of cosmic rays with IceTop and IceCube" (P. Koundal, M. Plum, J. Saffer) Berlin, Germany (Virtual Conference) Jul 12-23, 2021
Workshop on Machine Learning for Cosmic Ray Air Showers Talk: "Composition of 100 TeV - 100 PeV Cosmic Rays with IceCube and IceTop using Boosted Decision Trees" Newark, DE, USA (University of Delaware, Bartol Research Institute) Jan 31 - Feb 3, 2022
DPG Spring Meeting 2022 Talk: "Low-Energy Cosmic Ray Composition with IceCube and IceTop" Heidelberg, Germany (Virtual Meeting) Mar 21-25, 2022
ISAPP School 2022 - Astrophysical sources of cosmic rays Short presentation on PhD topic Orsay, France (Université Paris-Saclay, Institut Pascal) Mar 28 - Apr 8, 2022

KSETA Courses

Title Lecturer
Statistical methods in particle physics data analysis A. Meyer (DESY) Mar 2021
Introduction to astroparticle physics D. Kang (IAP), D. Veberic (IAP) Mar 2021
Introduction to Machine Learning and Deep Learning S. Kast (Bosch) Oct 2021
Broad introduction into modern experimental particle physics F. Hartmann (KIT) Oct 2021
Neutrino mass phenomenology W. Rodejohann (MPIK) Oct 2021


• Oct 2020 - Mar 2021 Supervision in the advanced nuclear physics lab course
• Apr 2021 - Sep 2021 Tutor in Moderne Experimentalphysik III (Physik VI, Teilchen und Hadronen)
• Oct 2021 - Mar 2022 Supervision in the advanced nuclear physics lab course
• Apr 2022 - Sep 2022 Tutor in Computergestützte Datenauswertung

Bachelor's and Master's Theses

Title Supervisors Submission
Bachelor's Thesis Muon Veto Study Comparing pDOM and mDOM for IceCube-Gen2 Prof. Dr. Gisela Anton & Dr. Thorsten Glüsenkamp Sep 2017
Master's Thesis X-Ray Phase-Contrast Imaging of Laser-Driven Plasma Shocks Prof. Dr. Stefan Funk Jan 2020