Ballestrero, S.Elsener, K.Kirsebom, K.Mikkelsen, U.Uggerhøj, E.2004-12-032004-12-0320012001http://hdl.handle.net/2003/66710.17877/DE290R-10514enThe American Physical SocietyPhysical Review Letters530First Measurements of the Unique Influence of Spin on the Energy Loss of Ultrarelativistic Electrons in Strong Electromagnetic Fields10.1103/PhysRevLett.87.054801article (journal)