Predictive power of nuclear-mass models

Adam Sobiczewski and Yuri A. Litvinov
Phys. Rev. C 90, 017302 – Published 14 July 2014

Abstract

The predictive power of modern nuclear-mass models is studied. To quantify this property, we compare the description of masses which were not experimentally known at the time of the model adjustment to that of older masses. For the latter, the masses evaluated in 2003 are taken. The masses evaluated in 2012 and not present in the earlier evaluation of 2003 are considered as the new ones. The predictive power is analyzed for ten often-used models of various natures and also for five different regions in the nuclear chart. A strong dependence of predictive power on the model as well as on the considered region of nuclei is observed. No clear correlation between the accuracy of the description of masses by a model and its predictive power is found.

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  • Received 29 April 2014
  • Revised 16 June 2014

DOI:https://doi.org/10.1103/PhysRevC.90.017302

©2014 American Physical Society

Authors & Affiliations

Adam Sobiczewski1,2,3,* and Yuri A. Litvinov2

  • 1National Centre for Nuclear Research, Hoża 69, 00-681 Warsaw, Poland
  • 2GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
  • 3Helmholtz Institute Mainz, 55099 Mainz, Germany

  • *adam.sobiczewski@fuw.edu.pl

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Vol. 90, Iss. 1 — July 2014

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