High-precision mass measurements of 203-207Rn and 213Ra with SHIPTRAP C. Droese, D. Ackermann, L. -L. Andersson, K. Blaum, M. Block, M. Dworschak, M. Eibach, S. Eliseev, U. Forsberg, E. Haettner et al. (16 more) Eur. Phys. J. A, 49 1 (2013) 13 Published online: 25 January 2013 DOI: 10.1140/epja/i2013-13013-0