Application of relativistic density functionals in the modeling of nuclear weak-interaction processes

Marketin, Tomislav (2010) Application of relativistic density functionals in the modeling of nuclear weak-interaction processes. Doctoral thesis, Faculty of Science > Department of Physics.

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Abstract

Relativistic density functionals are employed in a study of weak-interaction processes in atomic nuclei. The approach is based on the relativistic Hartree-Bogoliubov (RHB) model that is used to compute the self-consistent nuclear ground state, and collective excited states are modeleld with the relativistic quasiparticle random phase approximation (RQRPA).The focus of the study is the calculation of β-decay half-lives of neutron-rich nuclei that are predicted to play a role in r-process nucleosynthesis, and their comparison to available experimental values. The model is also applied to the description of charged lepton capture and neutrino capture. This study provides a microscopic description of weak-interaction processes in nuclei, based of modern nuclear energy density functional concepts, and results contribute to a better understanding of the origin of elements heavies than iron.

Item Type: Thesis (Doctoral thesis)
Keywords: weak interaction ; atomic nuclei ; relativistic Hartree-Bogoliubov model ; RHB model ; RQRPA
Supervisor: Vretenar, Dario
Date: 7 December 2010
Subjects: NATURAL SCIENCES > Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 07 Dec 2013 12:56
Last Modified: 02 Jan 2014 14:14
URI: http://digre.pmf.unizg.hr/id/eprint/4

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