Increased isomeric lifetime of hydrogen-like $^192m$Os

A. Akber,1 M. W. Reed,1 P. M. Walker,2 Yu. A. Litvinov,3,4 G. J. Lane,1 T. Kibedi,1 K. Blaum,3 F. Bosch,4 C. Brandau,5,6 J. J. Carroll,7 D. M. Cullen,8 I. J. Cullen,2 A. Y. Deo,2 B. Detwiler,9 C. Dimopoulou,4 G. D. Dracoulis,1,* F. Farinon,4 H. Geissel,4,10 E. Haettner,10 M. Heil,4 R. S. Kempley,2 R. Knobel,4 C. Kozhuharov,4 J. Kurcewicz,4 N. Kuzminchuk,4 S. Litvinov,4 Z. Liu,11 R. Mao,12 C. Nociforo,4 F. Nolden,4 W. R. Plas,4,10 Zs. Podolyak,2 A. Prochazka,4 C. Scheidenberger,4,10 D. Shubina,3 M. Steck,4 Th. Stohlker,4,13 B. Sun,14 T. P. D. Swan,2 G. Trees,9 H. Weick,4 N. Winckler,3,4 M. Winkler,4 P. J. Woods,11 and T. Yamaguchi15 1Department of Nuclear Physics, R.S.P.E., Australian National University, Canberra ACT 0200, Australia 2Department of Physics, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom 3Max-Planck-Institut fur Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany 4GSI Helmholtzzentrum fur Schwerionenforschung, Planckstrase 1, 64291 Darmstadt, Germany 5ExtreMe Matter Institute EMMI and Research Division, GSI Helmholtzzentrum fur Schwerionenforschung, Planckstrase 1, 64291 Darmstadt, Germany 6Institut fur Atomund Molekulphysik, Justus-Liebig-Universitat, 35392 Giessen, Germany 7US Army Research Laboratory, 2800 Powder Mill Road, Adelphi, Maryland 20783, USA 8University of Manchester, School of Physics and Astronomy, Schuster laboratory, Manchester M13 9PL, United Kingdom 9Youngstown State University, One University Plaza, Youngstown, Ohio 44555, USA 10II Physikalisches Institut, Justus-Liebig-Universitat Giesen, 35392 Giesen, Germany 11School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom 12Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China 13Physikalisches Institut, Universitat Heidelberg, Philosophenweg 12, 69120 Heidelberg, Germany 14School of Physics and Nuclear Energy Engineering, Beihaug University, 100191 Beijing, PR China 15Graduate School of Science and Engineering, Saitama University, Saitama 338-8570, Japan (Received 3 February 2015; published 27 March 2015)