Study of Isomer Production Rates for A=142-152 and Z=62-67 in Fragmentation of a Relativistic 208Pb Beam

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We have investigated nuclear fragmentation reactions of a relativistic Pb-208 beam. Ten isomeric states for nuclei with A = 142-152 and Z = 62-67 were observed. Measured isomeric ratios were compared, together with values from other experiments, with prediction of theoretical models. The discrepancies between the experimental and theoretical values were discussed in terms of transitions by-passing the isomer that are not included in the models.


  • S. Myalski
  • A. Maj
  • Zs. Podolyak
  • M. Kmiecik
  • P. Bednarczyk
  • J. Grebosz
  • P. H. Regan
  • A. B. Garnsworthy
  • S. Pietri
  • S. J. Steer
  • F. Becker
  • J. Gerl
  • M. Gorska
  • H. Grawe
  • I. Kojouharov
  • H. Schaffner
  • H. J. Wollersheim
  • W. Prokopowicz
  • G. Benzoni
  • B. Blank
  • C. Brandau
  • A. M. Bruce
  • L. Caceres
  • F. Camera
  • W. N. Catford
  • I. J. Cullen
  • Zs. Dombradi
  • P. Doornenbal
  • E. Estevez
  • H. Geissel
  • W. Gelletly
  • A. Heinz
  • Robert Hoischen
  • G. Ilie
  • G. A. Jones
  • A. Jungclaus
  • A. Kelic
  • F. G. Kondev
  • T. Kurtukian-Nieto
  • N. Kurz
  • S. Lalkovski
  • Z. Liu
  • F. Montes
  • M. Pfuetzner
  • T. Saito
  • T. Shizuma
  • A. J. Simons
  • S. Schwertel
  • S. Tachenov
  • P. M. Walker
  • E. Werner-Malento
  • O. Wieland
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Subatomic Physics
Original languageEnglish
Pages (from-to)253-259
JournalActa Physica Polonica. Series B: Elementary Particle Physics, Nuclear Physics, Statistical Physics, Theory of Relativity, Field Theory
Issue number2
Publication statusPublished - 2012
Publication categoryResearch

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