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  • Access by Xinjiang University

Nuclear Dipole Vibrations and the Surface Symmetry Energy

R. D. Present

  • University of Tennessee, Knoxville, Tennessee

Phys. Rev. 77, 355 – Published 1 February, 1950

DOI: https://doi.org/10.1103/PhysRev.77.355

Abstract

The frequency of nuclear electric dipole vibrations of the type suggested by Goldhaber and Teller is derived on the basis of the semi-empirical nuclear model. The resulting formula, taken together with the (γ,n) and (γ,f) cross-section data of Baldwin and Klaiber, determines a lower bound for the term in the surface energy depending on NZ (surface symmetry energy). This is close to an upper bound estimated by Feenberg, and one may tentatively assume that the nuclear surface tension contains a factor 10.4(NZ)2A2.

References (9)

  1. E. Feenberg, Rev. Mod. Phys. 19, 239 (1947)
  2. M. Goldhaber and E. Teller, Phys. Rev. 74, 1046 (1948)
  3. Omitted endnote

  4. G. C. Baldwin and G. S. Klaiber, Phys. Rev. 71, 3 (1947) ibid.73, 1156 (1948)
  5. McElhinney, Hanson, Becker, Duffield, and Diven, Phys. Rev. 75, 542 (1949)
  6. R. D. Present, Phys. Rev. 72, 7 (1947)
  7. H. A. Bethe and R. F. Bacher, Rev. Mod. Phys. 8, 82 (1936)
  8. E. Feenberg, Phys. Rev. 59, 593 (1941)
  9. E. Feenberg, Rev. Mod. Phys. 19, 239 (1947)

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