For the second time, Pfeiffer Vacuum and GSI Helmholtzzentrum für Schwerionenforschung (GSI Helmholtz Center for Heavy Ion Research) have jointly presented a doctoral candidate award. The recipient is Dr. Andreas Mooser who received the award for his dissertation on the high-precision measurement of the magnetic moment of a proton. Pfeiffer Vacuum funds the prize which is awarded annually. The GSI scientific director, Professor Karlheinz Langanke, and Dr. Ulrich von Hülsen, a member of Pfeiffer Vacuum GmbH management, presented the € 1,000 award as part of the GSI colloquium on November 10, 2015.