PhD in Experimental Particle Physics

The Astroparticle and Dark Matter group at the Center for Cosmology and Particle Physics Phenomenology (CP3) at the Department of Physics, Chemistry and Pharmacy at the University of Southern Denmark (SDU) invites applications for a PhD position in Experimental Particle Physics, with a focus on cryogenic single-photon detectors for axion searches./nThe successful candidate will contribute to the development of background-suppression techniques for single‑photon detectors used in axion experiments, operating at optical and infrared wavelengths. The research project includes the installation and characterization of a cold optical filter bench inside a dilution refrigerator, and the evaluation of its performance when coupled to a transition edge sensor (TES) or superconducting nanowire single‑photon detector (SNSPD). Additional responsibilities include developing efficient coupling of free‑space optics to optical fibers, conducting extended data‑taking runs with TES and SNSPD systems, and performing data analysis. Contributions to the development of novel experimental designs for dark matter axion searches are also possible./nThe position is located at the Department of Physics, Chemistry and Pharmacy at SDU in Odense. Shortlisting may be used in the assessment process.