Ultrafast-timing lifetime measurements in 94 Ru and 96 Pd : Breakdown of the seniority scheme in N = 50 isotones

H. Mach,1,2,* A. Korgul,3,† M. Górska,4 H. Grawe,4 I. Matea,5,6 M. Stănoiu,6,7 L. M. Fraile,8 Yu. E. Penionzkevich,9 F. De Oliviera Santos,5 D. Verney,5,6 S. Lukyanov,9 B. Cederwall,10 A. Covello,11 Z. Dlouhý,12,* B. Fogelberg,1 G. De France,5 A. Gargano,13 G. Georgiev,14 R. Grzywacz,15 A. F. Lisetskiy,16 J. Mrazek,12 F. Nowacki,17 W. A. Płóciennik,18,* Zs. Podolyák,19 S. Ray,5 E. Ruchowska,18 M.-G. Saint-Laurent,5 M. Sawicka,3 Ch. Stodel,5 and O. Tarasov9,20 1Department of Nuclear and Particle Physics, Uppsala University, P.O. Box 535, S-75121 Uppsala, Sweden 2National Centre for Nuclear Research, BP1, ul.Hoża 69, PL-00-681 Warsaw, Poland 3Faculty of Physics, University of Warsaw, ul.Pasteura 5, PL 02-093 Warsaw, Poland 4Gesellscahft für Schwerionenforschung mbH, D-64291 Darmstadt, Germany 5Grand Accélerateur National d’Ions Lourds, CEA/DSM CNRS/IN2P3, BP 55027, F-14076 Caen, Cedex 5, France 6Institut de Physique Nucleairé et Université Paris-Sud, 91406 Orsay Cedex, France 7Horia Hulubei National Institute for Physics and Nuclear Engineering, P.O. Box MG-6, 077125 Bucharest-Magurele, Romania 8Grupo de Fı́sica Nuclear, Facultad de Fı́sicas, Universidad Complutense CEI Moncloa, E-28040 Madrid, Spain 9FLNR, JINR, 141980 Dubna, Moscow Region, Russia 10KTH-Royal Institute of Technology, Roslagstullsbacken 21, SE-10691 Stockholm, Sweden 11Dipartimento di Fisica, Università di Napoli Federico II, Complesso Universitario di Monte S. Angelo, I-80126 Napoli, Italy 12Nuclear Physics Institute, AS CR, CZ 25068, Rez, Czech Republic 13Instituto Nazionale di Fisica Nucleare, Complesso Universitario di Monte S. Angelo, Via Cintia, I-80126 Napoli, Italy 14CSNSM, CNRS-IN2P3, Université Paris-Sud, Université Paris-Saclay, 91405 Orsay, France 15Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA 16Department of Physics, University of Arizona, Tucson, Arizona 85721, USA 17Institut de Recherches Subatomiques, IN2P3-CNRS, F-67037 Strasbourg, Cedex 2, France 18National Centre for Nuclear Research, 05-400 Otwock-Świerk, Poland 19Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom 20National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA (Received 9 September 2016; published 13 January 2017)