High-precision Penning-trap mass measurements of heavy xenon isotopes for nuclear structure studies

D. Neidherr, R. B. Cakirli, G. Audi, D. Beck, K. Blaum, Ch. Böhm, M. Breitenfeldt, R. F. Casten, S. George, F. Herfurth, A. Herlert, A. Kellerbauer, M. Kowalska, D. Lunney, E. Minaya-Ramirez, S. Naimi, M. Rosenbusch, S. Schwarz, and L. Schweikhard
Phys. Rev. C 80, 044323 – Published 21 October 2009

Abstract

With the double Penning-trap mass spectrometer ISOLTRAP at ISOLDE/CERN the masses of the neutron-rich isotopes Xe136146 were measured with a relative uncertainty of the order of 108 to 107. In particular, the masses of Xe144146 were measured for the first time. These new mass values allow one to extend calculations of the mass surface in this region. Proton-Neutron interaction strength, obtained from double differences of binding energies, relate to subtle structural effects, such as the onset of octupole correlations, the growth of collectivity, and its relation to the underlying shell model levels. In addition, they provide a test of density functional calculations.

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  • Received 27 July 2009

DOI:https://doi.org/10.1103/PhysRevC.80.044323

©2009 American Physical Society

Authors & Affiliations

D. Neidherr1, R. B. Cakirli2, G. Audi3, D. Beck4, K. Blaum5, Ch. Böhm5, M. Breitenfeldt6, R. F. Casten7, S. George5, F. Herfurth4, A. Herlert8, A. Kellerbauer9, M. Kowalska8, D. Lunney3, E. Minaya-Ramirez3, S. Naimi3, M. Rosenbusch6, S. Schwarz10, and L. Schweikhard6

  • 1Johannes Gutenberg-Universität, Institut für Physik, D-55099 Mainz, Germany
  • 2Department of Physics, Istanbul University, Istanbul, Turkey
  • 3CSNSM-IN2P3-CNRS, Université de Paris Sud, Orsay, France
  • 4GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
  • 5Max-Planck-Institut für Kernphysik, D-69117 Heidelberg, Germany
  • 6Ernst-Moritz-Arndt-Universität, Institut für Physik, D-17487 Greifswald, Germany
  • 7Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520-8120, USA
  • 8CERN, Physics Department, CH-1211 Geneva 23, Switzerland
  • 9Commission of European Communities, Joint Research Center, European Institute of Transuranium Elements, D-76125 Karlsruhe, Germany
  • 10NSCL, Michigan State University, East Lansing, Michigan 48824-1321, USA

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Issue

Vol. 80, Iss. 4 — October 2009

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