Affiliation: | aDepartment of Geological Sciences, University of Michigan, 1100 N University Avenue, Ann Arbor, MI 48109-1005, USA bDepartment of Mechanical, Aerospace & Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA cGesellschaft für Schwerionenforschung (GSI), Planckstr. 1, 64291 Darmstadt, Germany |