Joint appointment at JGU and Fermilab: Alfons Weber is JGU’s new W3 Professor of Experimental Particle Physics June 7, 2021 | Dr. Renee Dillinger Alfons Weber has achieved full professorship teaching Experimental Particle Physics at Johannes Gutenberg University Mainz. His joint appointment at JGU and Fermilab represents the expansion of PRISMA+ neutrino physics research program.