The dissociation energy of V13+ and the consequences for radiative cooling K. Hansen, A. Herlert, L. Schweikhard, M. Vogel and C. Walther Eur. Phys. J. D, 34 1-3 (2005) 67-71 Published online: 13 July 2005 DOI: 10.1140/epjd/e2005-00121-x