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An extended thomas-fermi model with clustering in nuclei

Doctor of Philosophy in Theoretical Physics

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Bibliographic Details
Main Author: Nooraihan, Abdullah
Other Authors: Zaliman, Sauli, Prof. Dr.
Format: Thesis
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2016
Subjects:
Thomas-Fermi theory
Cluster theory (Nuclear physics)
Nuclei
Nuclear surface
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77970
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spelling my.unimap-779702023-03-06T00:02:54Z An extended thomas-fermi model with clustering in nuclei Nooraihan, Abdullah Zaliman, Sauli, Prof. Dr. Thomas-Fermi theory Cluster theory (Nuclear physics) Nuclei Nuclear surface Doctor of Philosophy in Theoretical Physics In this study, a phenomenological theory of nuclei that includes clustering at the nuclear surface in a general form is presented. The theory elaborates the recently extracted large symmetry energy by Natowitz et al., at low densities of nuclear matter and is fully consistent with the static properties of nuclei. Clusters of all sizes and shapes together with medium alterations are included in a phenomenological way. Discussion about the symmetric nuclear matter properties are presented in detail. Arguments are stated, which bring to an equation of state of nuclear matter consistent with clustering in the low-density region. In addition, the justification and discussion about the properties of asymmetric nuclear matter are given. Due to the clustering, an interesting interpretation of the equation of state of asymmetric nuclear matter comes into view. An extended version of Thomas-Fermi theory is adopted as a framework for nuclei where it also consist of the phenomenological pairing and Wigner contributions. This theory relates the nuclear matter equation of state, which includes clustering at low densities, with clustering in nuclei at the nuclear surface. Calculations are carried out for different equations of state of nuclear matter. This study take into account binding energies of 2149 nuclei for N,Z  8. The significance of the quartic term in symmetry energy is illustrated at and below the saturation density of nuclear matter. It is demonstrated that it is greatly connected to the use of ab initio, a realistic equation of state of neutron matter, especially the contribution originating from the three neutron interactions and rather clustering. The causes for these are presented. The neutron skin thickness in nuclei is found to reduce significantly, for the reason of clustering. The developed theory predicts circumstances and methodologies to be examine both theoretically and experimentally. 2016 2023-03-03T08:18:34Z 2023-03-03T08:18:34Z Thesis http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77970 en Universiti Malaysia Perlis (UniMAP) Universiti Malaysia Perlis (UniMAP) Institute of Engineering Mathematics
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Thomas-Fermi theory
Cluster theory (Nuclear physics)
Nuclei
Nuclear surface
spellingShingle Thomas-Fermi theory
Cluster theory (Nuclear physics)
Nuclei
Nuclear surface
Nooraihan, Abdullah
An extended thomas-fermi model with clustering in nuclei
description Doctor of Philosophy in Theoretical Physics
author2 Zaliman, Sauli, Prof. Dr.
author_facet Zaliman, Sauli, Prof. Dr.
Nooraihan, Abdullah
format Thesis
author Nooraihan, Abdullah
author_sort Nooraihan, Abdullah
title An extended thomas-fermi model with clustering in nuclei
title_short An extended thomas-fermi model with clustering in nuclei
title_full An extended thomas-fermi model with clustering in nuclei
title_fullStr An extended thomas-fermi model with clustering in nuclei
title_full_unstemmed An extended thomas-fermi model with clustering in nuclei
title_sort extended thomas-fermi model with clustering in nuclei
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2016
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77970
_version_ 1772813086272520192
score 13.223943

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