Karlsruhe Institute of Technology

Date of publication: 25. 1. 2024
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PhD Position in Experimental Astroparticle Physics (redna zaposlitev, rok za prijavo 15. februar 2024)

PhD Position in Experimental Astroparticle Physics at the Institute for Astroparticle Physics of the Karlsruhe Institute of Technology on the topic of:

Development of a Near-Field Imaging Algorithm for Air-Shower Radio Emission measured with the Square Kilometre Array (SKA)

Description: Particle showers in the atmosphere, induced by high-energy cosmic rays or neutrinos, can be measured with radio antennas operating in the frequency range of tens to hundreds of MHz. This radio detection technique has made tremendous progress over the past 20 years, and allows us to study neutrinos and cosmic rays in ways not possible with other detection methods. One avenue not exploited yet is the interferometric imaging of the radio emission from an air shower - a nearby, extended, and fast-moving source. Measurements with very dense radio-antenna arrays such as LOFAR and in particular the low-frequency part of the Square Kilometre Array (SKA), with which air showers will be measurable with thousands of antennas at a time, will likely deliver enough information to perform actual 4D imaging of the air shower, and hence allow the extraction of an unprecedented amount of information from the measurements. The approach we will be studying is based on Information Field Theory, which leverages Bayesian statistics and field-theory methods within a Python-based software package to perform the imaging of the source. As part of a team, working together closely with researchers at the University of Erlangen and the Max-Planck-Institute for Astrophysics in Garching, you will be devising such an imaging algorithm on the basis of simulations tailored to the SKA, and later apply it to LOFAR data. The position will be based at KIT’s Institute for Astroparticle Physics, one of the world-leading institutes for experimental astroparticle physics. The candidate will receive graduate training at the Karlsruhe School of Elementary Particle and Astroparticle Physics: Science and Technology (KSETA) and will profit from being embedded in a large group of students and scientists working on a variety of astroparticle physics experiments, including the Pierre Auger Observatory, the GRAND project, and the IceCube neutrino observatory. The position is time-limited to three years. Remuneration will amount to 67% of an E13 position in the scheme of German public-sector salary levels (Tarifvertrag des Öffentlichen Dienstes der Länder, TV-L). The preferred starting date is May 1st 2024. KIT pursues a gender equality policy. Women are therefore particularly encouraged to apply. If qualified, handicapped applicants will be preferred.

Qualification: The successful candidate must hold a Master’s degree in physics with very good results and have good English language skills. Previous experience in data analysis and scientific computing will be helpful. Python and C++ skills are considered an asset.

Application Please compile a cover letter, curriculum vitae, Bachelor’s and Master’s degree academic transcripts (please indicate grading system if not evident) in one PDF file (size <30 MB) and send it to tim.huege@kit.edu. Also, please arrange for two reference letters to be sent directly to the same addresses.

For further information, please contact Dr. Tim Huege at the same email address. Review of applications will begin on February 15th 2024 and continue until the position is filled.

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