Microscopic study of 240Pu, mean-field and beyond

Abstract

The influence of exact angular-momentum projection and configuration mixing on properties of a heavy, well-deformed nucleus is discussed for the example of Pu240. Starting from a self-consistent model using Skyrme interactions, we analyze the resulting modifications of the deformation energy, the fission barrier height, the excitation energy of the superdeformed minimum associated with the fission isomer, the structure of the lowest rotational bands with normal deformation and superdeformation, and the corresponding quadrupole moments and transition moments. We present results obtained with the Skyrme interactions SLy4 and SLy6, which have slightly different surface tensions.

7 pages REVTEX4, 4 figures. accepted for publication in Phys. Rev. C

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Cited by in corpus (35)

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• Further explorations of Skyrme-Hartree-Fock-Bogoliubov mass formulas. XII: Stiffness and stability of neutron-star matter
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• Global study of quadrupole correlation effects
• Future of Nuclear Fission Theory
• Multidimensionally-constrained relativistic mean field models and potential energy surfaces of actinide nuclei
• Symmetry restoration in mean-field approaches
• Fission barriers in actinides in covariant density functional theory: the role of triaxiality
• The fission barriers in Actinides and superheavy nuclei in covariant density functional theory
• Fission Dynamics of 240Pu from Saddle-to-Scission and Beyond
• Surface Symmetry Energy of Nuclear Energy Density Functionals
• Fission dynamics within time-dependent Hartree-Fock: deformation-induced fission
• Systematics of low-lying states of even-even nuclei in the neutron-deficient lead region from a beyond-mean-field calculation
• A Minimal Nuclear Energy Density Functional
• Projection on particle number and angular momentum: Example of triaxial Bogoliubov quasiparticle states
• Global study of the spectroscopic properties of the first 2+ state in even-even nuclei
• Breaking and restoring symmetries within the nuclear energy density functional method
• Constraining the surface properties of effective Skyrme interactions
• New parameterization of Skyrme's interaction for regularized multi-reference energy density functional calculations
• The impact of the surface energy coefficient on the deformation properties of atomic nuclei as predicted by Skyrme energy density functionals
• Fission of ${}^{240}$Pu with symmetry-restored density functional theory
• Fission of heavy $\Lambda$ hypernuclei with the Skyrme-Hartree-Fock approach
• Role of dynamic pairing correlations in fission dynamics
• Skyrme-Hartree-Fock-Bogoliubov mass models on a 3D mesh. IIb. Fission properties of BSkG2
• Precision mass measurements in the zirconium region pin down the mass surface across the neutron midshell at $N=66$
• Fission barriers of two odd-neutron actinide nuclei taking into account the time-reversal symmetry breaking at the mean-field level
• The alternating-parity bands of \element{236,238}{U} and \element{238,240}{Pu} in a particle-number conserving method based on cranked shell model
• Generator coordinate method with a conjugate momentum: application to the particle number projection
• Pairing correlations beyond the mean field
• Microscopic models for exotic nuclei
• Green Functions for the Wrong-Sign Quartic
• Nuclear fission in covariant density functional theory
• Parity-doublet bands in the odd-\bm{$A$} isotones \element{237}U and \element{239}Pu by a particle-number-conserving method based on the cranked shell model
• Impact of choices for center-of-mass correction energy on the surface energy of Skyrme energy density functionals
• Microscopic Theory of Nuclear Fission