Alpha-cluster model of atomic nuclei

. The description of a nuclear system in its ground state and at low excitations based on the equation of state (EoS) around normal density is presented. In the expansion of the EoS around the saturation point, additional spin polarization terms are taken into account. These terms, together with the...

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Published inThe European physical journal. A, Hadrons and nuclei Vol. 52; no. 5
Main Authors Sosin, Zbigniew, Błocki, Jan, Kallunkathariyil, Jinesh, Łukasik, Jerzy, Pawłowski, Piotr
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.05.2016
Subjects
Hadrons
Heavy Ions
Nuclear Fusion
Nuclear Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Regular Article - Theoretical Physics
Nuclear Matter
Alpha Particle
Liquid Drop Model
Atomic Nucleus
Symmetry Energy
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Summary:. The description of a nuclear system in its ground state and at low excitations based on the equation of state (EoS) around normal density is presented. In the expansion of the EoS around the saturation point, additional spin polarization terms are taken into account. These terms, together with the standard symmetry term, are responsible for the appearance of the -like clusters in the ground-state configurations of the N = Z even-even nuclei. At the nuclear surface these clusters can be identified as alpha particles. A correction for the surface effects is introduced for atomic nuclei. Taking into account an additional interaction between clusters the binding energies and sizes of the considered nuclei are very accurately described. The limits of the EoS parameters are established from the properties of the , 3 He and t particles.
ISSN:1434-6001
1434-601X
DOI:10.1140/epja/i2016-16120-4