EXCITATION OF THE DELTA-RESONANCE IN COMPRESSED FINITE NUCLEI (HARTREE-FOCK).
AuthorHASAN, MAHMOUD AHMAD MAR'I.
AdvisorVary, James P.
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PublisherThe University of Arizona.
RightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
AbstractThis dissertation presents a non-relativistic microscopic mean field theory of finite nuclei in which the nucleus is described as a collection of nucleons and delta resonances. The ground state properties of the nuclei ¹⁶O and ⁴⁰Ca are determined within the spherical Hartree-Fock (SHF) approximation using a realistic effective no-core Hamiltonian in basis spaces consisting of up to six major oscillator shells. A detailed study of the zero temperature properties of these nuclei under compression and dilation is presented in order to gain insight into the nuclear equation of state. Under certain conditions a transition to a mixture of nucleons and deltas is found. The transition is reminiscent of a first order phase transition.