158 citations · 1.3k across the 32 of their papers we have counts for
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Investigation of the cause of the discrepancies between calculated running sums for nuclear matrix elements of two-neutrino double- decay
J. Terasaki
A qualitative difference in the running sum for the nuclear matrix element of the two-neutrino double- decay of Xe was found four years ago between quasiparticle random-…
Estimation of nuclear matrix elements of double- decay from shell model and quasiparticle random-phase approximation
J. Terasaki, Y. Iwata
The nuclear matrix element (NME) of the neutrinoless double- () decay is an essential input for determining the neutrino effective mass, if the half-life of this decay is…
Physical features of strength of isoscalar pairing interaction determined by relation between double charge change and double pair transfer
J. Terasaki
A new method has been proposed to determine the strength of the isoscalar proton-neutron pairing interaction applicable to many nuclei. The principle is the equivalence between the…
Determination of Strength of Isoscalar Pairing Interaction by a Mathematical Identity in QRPA
J. Terasaki
I propose a new method to determine the strength of the isoscalar proton-neutron pairing interaction by a mathematical identity derived in the quasiparticle random-phase approximat…
Consistency Examinations of Calculations of Nuclear Matrix Elements of Double- Decay by QRPA
J. Terasaki
The neutrinoless double- decay is a hypothetical rare nuclear decay, which can be used for determining the neutrino-mass scale. The scheme to use this decay for determining the…
Isoscalar pairing interaction for the quasiparticle random-phase approximation approach to double- and decays
J. Terasaki, Y. Iwata
We have proposed in a series of previous papers a method to determine the effective axial-vector current coupling and the strength of the isoscalar proton-neutron pairing interacti…
Examinations of the consistency of the quasiparticle random-phase approximation approach to double- decay of Ca
J. Terasaki
The nuclear matrix elements (NMEs) of the neutrinoless and two-neutrino double- decays of Ca are calculated by the quasiparticle random-phase approximation (QRPA) with em…
Reproduction of exact solutions of Lipkin model by nonlinear random-phase approximation
J. Terasaki, A. Smetana, F. Šimkovic +1
It is shown that the random-phase approximation (RPA) method with its nonlinear generalization, which was previously considered as approximation, reproduces the exact solutions of…
Two decay paths for calculation of nuclear matrix element of neutrinoless double-beta decay using quasiparticle random-phase approximation
Jun Terasaki
It is possible to employ virtual decay paths, including two-particle transfer, to calculate the nuclear matrix element of neutrinoless double-beta decay under the closure approxima…
Many-body correlations of quasiparticle random-phase approximation in nuclear matrix element of neutrinoless double-beta decay
J. Terasaki
We show that the correlations of the quasiparticle random-phase approximation (QRPA) significantly reduce the nuclear matrix element (NME) of neutrinoless double-beta decay by a ne…
Computational Nuclear Quantum Many-Body Problem: The UNEDF Project
Scott Bogner, Aurel Bulgac, Joseph A. Carlson +28
The UNEDF project was a large-scale collaborative effort that applied high-performance computing to the nuclear quantum many-body problem. UNEDF demonstrated that close association…
Overlap of QRPA states based on ground states of different nuclei --mathematical properties and test calculations--
J. Terasaki
The overlap of the excited states in quasiparticle random-phase approximation (QRPA) is calculated in order to simulate the overlap of the intermediate nuclear states of the double…
Overlap of quasiparticle random-phase approximation states for nuclear matrix elements of the neutrino-less double beta decay
J. Terasaki
Quasiparticle random-phase approximation (QRPA) is applied to two nuclei, and overlap of the QRPA excited states based on the different nuclei is calculated. The aim is to calculat…
Towards a Microscopic Reaction Description Based on Energy-Density-Functional Structure Models
G. P. A. Nobre, F. S. Dietrich, J. E. Escher +4
A microscopic calculation of reaction cross sections for nucleon-nucleus scattering has been performed by explicitly coupling the elastic channel to all particle-hole excitations i…
Testing Skyrme energy-density functionals with the QRPA in low-lying vibrational states of rare-earth nuclei
J. Terasaki, J. Engel
Although nuclear energy density functionals are determined primarily by fitting to ground state properties, they are often applied in nuclear astrophysics to excited states, usuall…
Coupled-channels calculations of nonelastic cross sections using a density-functional structure model
G. P. A. Nobre, F. S. Dietrich, J. E. Escher +4
A microscopic calculation of the reaction cross-section for nucleon-nucleus scattering has been performed by explicitly coupling the elastic channel to all particle-hole (p-h) exci…
Self-consistent Skyrme QRPA for use in axially-symmetric nuclei of arbitrary mass
J. Terasaki, J. Engel
We describe a new implementation of the quasiparticle random phase approximation (QRPA) in axially-symmetric deformed nuclei with Skyrme and volume-pairing energy-density functiona…
Systematics of the first 2+ excitation in spherical nuclei with Skryme-QRPA
J. Terasaki, J. Engel, G. F. Bertsch
We use the Quasiparticle Random Phase Approximation (QRPA) and the Skyrme interactions SLy4 and SkM* to systematically calculate energies and transition strengths for the lowest 2+…
Variation after Particle-Number Projection for the HFB Method with the Skyrme Energy Density Functional
M. V. Stoitsov, J. Dobaczewski, R. Kirchner +2
Variation after particle-number restoration is incorporated for the first time into the Hartree-Fock-Bogoliubov framework employing the Skyrme energy density functional with zero-r…
Excited-State Density Distributions of Neutron-Rich Unstable Nuclei
J. Terasaki, J. Engel
We calculate densities of excited states in the quasiparticle random-phase approximation (QRPA)with Skyrme interactions and volume pairing. We focus on low-energy peaks/bumps in th…
Self-consistent description of multipole strength: systematic calculations
J. Terasaki, J. Engel
We use the quasiparticle random phase approximation with a few Skyrme density functionals to calculate strength functions in the Jpi = 0+, 1-, and 2+ channels for even Ca, Ni, and…
Giant halo in relativistic and non-relativistic approaches
J. Terasaki, S. Q. Zhang, S. G. Zhou +1
The phenomena of giant halo and halo of neutron-rich even-Ca isotopes are investigated and compared in the framework of the relativistic continuum Hartree-Bogoliubov (RCHB) and non…
Self-Consistent Description of Multipole Strength in Exotic Nuclei I: Method
J. Terasaki, J. Engel, M. Bender +3
We use the canonical Hartree-Fock-Bogoliubov basis to implement a completely self-consistent quasiparticle-random-phase approximation with arbitrary Skyrme energy density functiona…
How magic is the magic 68Ni nucleus?
K. Langanke, J. Terasaki, F. Nowacki +2
We calculate the B(E2) strength in 68Ni and other nickel isotopes using several theoretical approaches. We find that in 68Ni the gamma transition to the first 2+ state exhausts onl…