between June - August 2026 at GSI, Darmstadt Previous 2025 Dr. Sorina Popescu, CERN, NINPE-HH, Bucharest, Romania 6 months between March 2025 - August 2025, at University Münster and University Heidelberg Dr [...] Upcoming 2026 Dr. Xin-Li Sheng, University Florence/INFN Florence, Italy 5 months between November 2025 - March 2026 at Goethe University Frankfurt/Main Dr. Min Li, Institute of Modern Physics, Chinese [...] Dr. Xin-Li Sheng, University Florence/INFN Florence, Italy 5 months between November 2025 - March 2026 at Goethe University Frankfurt/Main 2024 Dr. Aminul Islam Chowdhury, UCAS, Beijing, China 3 months