Symmetry energies and the curvature of the nuclear mass surface

  • J. Jänecke
  • T. W. O’Donnell
ENAM 2004

Abstract.

A global study of the symmetry energies reflects upon the curvature of the mass surface. Special attention is given to the region from 56Ni to 100Sn. Isospin inversion is indicated for odd-odd self-conjugate nuclei. Coexistence of isoscalar and isovector n-p interactions in the localized region NZ, A = 76-96 is suggested by the isospin dependence of the symmetry energy. Experimental symmetry energies and values extracted from nine mass equations are compared. Overall agreement exists, but some distinct differences are also observed.

PACS.

21.10.Dr Binding energies and masses 21.60.-n Nuclear structure models and methods 

References

  1. 1.
    J. Jänecke, T.W. O’Donnell, V.I. Goldanskii, Phys. Rev. C 66, 024327 (2002).CrossRefGoogle Scholar
  2. 2.
    J. Jänecke, T.W. O’Donnell, V.I. Goldanskii, Nucl. Phys. A 728, 23 (2003).CrossRefGoogle Scholar
  3. 3.
    G. Audi, A.H. Wapstra, C. Thibault, Nucl. Phys. A 729, 337 (2003).CrossRefGoogle Scholar
  4. 4.
    J. Jänecke, T.W. O’Donnell, Phys. Lett. B 605, 87 (2005).CrossRefGoogle Scholar
  5. 5.
    P. Möller, J.R. Nix, At. Data Nucl. Data Tables 39, 213 (1988).CrossRefGoogle Scholar
  6. 6.
    Y. Aboussir, J.M. Pearson, A.K. Dutta, F. Tondeur, Nucl. Phys. A 549, 155 (1992).CrossRefGoogle Scholar
  7. 7.
    P. Möller, J.R. Nix, W.D. Myers, W.J. Swiatecki, At. Data Nucl. Data Tables 59, 185 (1995).CrossRefGoogle Scholar
  8. 8.
    W.D. Myers, W.J. Swiatecki, Nucl. Phys. A 601, 141 (1996).CrossRefGoogle Scholar
  9. 9.
    T. Tachibana, M. Uno, M. Yamada, S. Yamada, At. Data Nucl. Data Tables 39, 251 (1988).CrossRefGoogle Scholar
  10. 10.
    E. Comay, I. Kelson, A. Zidon, At. Data Nucl. Data Tables 39, 235 (1988).CrossRefGoogle Scholar
  11. 11.
    J. Jänecke, P.J. Masson, At. Data Nucl. Data Tables 39, 265 (1988).CrossRefGoogle Scholar
  12. 12.
    P.J. Masson, J. Jänecke, At. Data Nucl. Data Tables 39, 273 (1988).CrossRefGoogle Scholar
  13. 13.
    L. Satpathy, R.C. Nayak, At. Data Nucl. Data Tables 39, 241 (1988).CrossRefGoogle Scholar
  14. 14.
    E.P. Wigner, Phys. Rev. 51, 106 (1937).CrossRefGoogle Scholar
  15. 15.
    D. Lunney, J.M. Pearson, C. Thibault, Rev. Mod. Phys. 75, 1021 (2003).CrossRefGoogle Scholar
  16. 16.
    J. Jänecke, T.W. O’Donnell, in preparation.Google Scholar

Copyright information

© Società Italiana di Fisica and Springer-Verlag 2005

Authors and Affiliations

  • J. Jänecke
    • 1
  • T. W. O’Donnell
    • 2
  1. 1.Department of PhysicsUniversity of MichiganAnn ArborUSA
  2. 2.Michigan Center for Theoretical Physics and Science, Technology and Society ProgramResidential College, University of MichiganAnn ArborUSA

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