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The Particle-Hole Interaction in Finite Nuclei

  • W. H. Dickhoff

Abstract

The standard Random Phase Approximation (RPA) is extended by including the exchange of one- and the coupling to two-phonon excitations in the residual interaction. Within this scheme a microscopic understanding of the excitation spectra of doubly closed-shell nuclei, like e.g. 16O, is possible. The mechanism to generate the many low-lying isoscalar natural parity states in 16O is discussed and related to the attraction of the residual nucleon-nucleon (NN) interaction. The connection of this residual particle-hole (ph) interaction with the treatment of the single-particle (sp) self-energy is discussed.

Keywords

Positive Parity Random Phase Approximation Residual Interaction Negative Parity State Positive Parity State 
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Copyright information

© Plenum Press, New York 1988

Authors and Affiliations

  • W. H. Dickhoff
    • 1
  1. 1.Department of PhysicsWashington UniversitySt. LouisUSA

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