Natural widths and blackbody radiation induced shift and broadening of Rydberg levels in magnesium ions Igor L. Glukhov, Sergey N. Mokhnenko, Elizaveta A. Nikitina and Vitaly D. Ovsiannikov Eur. Phys. J. D, 69 1 (2015) 1 Published online: 08 January 2015 DOI: 10.1140/epjd/e2014-50648-6