Hyperfine quenching of the 4s4p 3P0 level in Zn-like ions J. P. Marques, F. Parente and P. Indelicato Eur. Phys. J. D, 41 3 (2007) 457-465 Published online: 31 January 2007 DOI: 10.1140/epjd/e2007-00018-8