0000000000312444

AUTHOR

V. Prassa

showing 2 related works from this author

Relativistic Energy Density Functional Description of Shape Transition in Superheavy Nuclei

2012

Relativistic energy density functionals (REDF) provide a complete and accurate, global description of nuclear structure phenomena. A modern semi-empirical functional, adjusted to the nuclear matter equation of state and to empirical masses of deformed nuclei, is applied to studies of shapes of superheavy nuclei. The theoretical framework is tested in a comparison of calculated masses, quadrupole deformations, and potential energy barriers to available data on actinide isotopes. Self-consistent mean-field calculations predict a variety of spherical, axial and triaxial shapes of long-lived superheavy nuclei, and their alpha-decay energies and half-lives are compared to data. A microscopic, RE…

Nuclear and High Energy PhysicsNuclear TheoryNuclear TheoryFOS: Physical sciences01 natural sciencesNuclear physicssuperheavy nucleiNuclear Theory (nucl-th)0103 physical sciencesalpha-decayNuclear Energy Density Functional; Superheavy Nuclei; alpha-decay010306 general physicsNuclear ExperimentPhysicsIsotopeta114010308 nuclear & particles physicsEquation of state (cosmology)Relativistic energyNuclear structurenuclear energy density functionalActinideNuclear matterPotential energyNATURAL SCIENCES. Physics.3. Good healthPRIRODNE ZNANOSTI. Fizika.QuadrupoleAtomic physics
researchProduct

Structure of transactinide nuclei with relativistic energy density functionals

2013

A microscopic theoretical framework based on relativistic energy density functionals (REDFs) is applied to studies of shape evolution, excitation spectra, and decay properties of transactinide nuclei. Axially symmetric and triaxial relativistic Hartree-Bogoliubov (RHB) calculations, based on the functional DD-PC1 and with a separable pairing interaction, are performed for the even-even isotopic chains between Fm and Fl. The occurrence of a deformed shell gap at neutron number $N=162$ and its role on the stability of nuclei in the region around $Z=108$ is investigated. A quadrupole collective Hamiltonian, with parameters determined by self-consistent constrained triaxial RHB calculations, is…

Nuclear and High Energy PhysicsNuclear TheoryTransactinide element01 natural sciencesenergy density functionalsSeparable spacesymbols.namesake0103 physical sciences010306 general physicsPhysicsta114010308 nuclear & particles physicsObservablecollective modelstransactinide nuclei ; energy density functionals ; collective modelsNATURAL SCIENCES. Physics.PRIRODNE ZNANOSTI. Fizika.transactinide nucleiTheoretical nuclear physicsPairingNeutron numberQuadrupolesymbolsAtomic physicsHamiltonian (quantum mechanics)Axial symmetry
researchProduct