Publications (107)
Early onset of ground-state deformation in the neutron-deficient polonium isotopes
T. E. Cocolios, W. Dexters, M. D. Seliverstov +28
In-source resonant ionization laser spectroscopy of the even- polonium isotopes Po has been performed using the to ($λ=843…
Properties of nuclei in the nobelium region studied within the covariant, Skyrme, and Gogny energy density functionals
J. Dobaczewski, A. V. Afanasjev, M. Bender +2
We calculate properties of the ground and excited states of nuclei in the nobelium region for proton and neutron numbers of 92 <= Z <= 104 and 144 <= N <= 156, respectively. We use…
Pairing correlations beyond the mean field
M. Bender, T. Duguet
We discuss dynamical pairing correlations in the context of configuration mixing of projected self-consistent mean-field states, and the origin of a divergence that might appear wh…
Shell structure of superheavy nuclei in self-consistent mean-field models
M. Bender, K. Rutz, P. -G. Reinhard +2
We study the extrapolation of nuclear shell structure to the region of superheavy nuclei in self-consistent mean-field models -- the Skyrme-Hartree-Fock approach and the relativist…
The tensor part of the Skyrme energy density functional. I. Spherical nuclei
T. Lesinski, M. Bender, K. Bennaceur +2
We perform a systematic study of the impact of the J^2 tensor term in the Skyrme energy functional on properties of spherical nuclei. In the Skyrme energy functional, the tensor te…
Configuration Mixing within the Energy Density Functional Formalism: Removing Spurious Contributions from Non-Diagonal Energy Kernels
D. Lacroix, T. Duguet, M. Bender
Multi-reference calculations along the lines of the Generator Coordinate Method or the restoration of broken symmetries within the nuclear Energy Density Functional (EDF) framework…
Beyond mean-field study of excited states: Analysis within the Lipkin model
A. P. Severyukhin, M. Bender, P. -H. Heenen
Beyond mean-field methods based on restoration of symmetries and configuration mixing by the generator coordinate method (GCM) enable to calculate on the same footing correlations…
Mean-field models and superheavy elements
P. -G. Reinhard, M. Bender, J. A. Maruhn
We discuss the performance of two widely used nuclear mean-field models, the relativistic mean-field theory (RMF) and the non-relativistic Skyrme-Hartree-Fock approach (SHF), with…
An HFB scheme in natural orbitals
P. -G. Reinhard, M. Bender, K. Rutz +1
We present a formulation of the Hartree-Fock-Bogoliubov (HFB) equations which solves the problem directly in the basis of natural orbitals. This provides a very efficient scheme wh…
Study of decays using of Belle II data
Belle II Collaboration, F. Abudinen, I. Adachi +549
We report measurements related to hadronic decays to final states that contain charm mesons. The analyses are performed on a data set collected by the B…
Tensor part of the Skyrme energy density functional. II: Deformation properties of magic and semi-magic nuclei
M. Bender, K. Bennaceur, T. Duguet +3
We study systematically the impact of the time-even tensor terms of the Skyrme energy density functional, i.e. terms bilinear in the spin-current tensor density, on deformation pro…
Beta decay of r-process waiting-point nuclei in a self-consistent approach
J. Engel, M. Bender, J. Dobaczewski +2
Beta-decay rates for spherical neutron-rich r-process waiting-point nuclei are calculated within a fully self-consistent Quasiparticle Random-Phase Approximation, formulated in the…
Time-Reversal Violating Schiff Moment of 225Ra
J. Engel, M. Bender, J. Dobaczewski +2
We use the Skyrme-Hartree-Fock method, allowing all symmetries to be broken, to calculate the time-reversal-violating nuclear Schiff moment (which induces atomic electric dipole mo…
Global study of the spectroscopic properties of the first 2+ state in even-even nuclei
B. Sabbey, M. Bender, G. F. Bertsch +1
We discuss the systematics of the 2+ excitation energy and the transition probability from this 2+ to the ground state for most of the even-even nuclei, from O16 up to the actinide…
A calibration of the Belle II hadronic tag-side reconstruction algorithm with decays
Belle II Collaboration, F. Abudinén, I. Adachi +540
Tag-side reconstruction is an important method for reconstructing meson decays with missing energy. The Belle II tag-side reconstruction algorithm, Full Event Interpretation, r…
Potential energy surfaces of superheavy nuclei
M. Bender, K. Rutz, P. -G. Reinhard +2
We investigate the structure of the potential energy surfaces of the superheavy nuclei 258Fm, 264Hs, (Z=112,N=166), (Z=114,N=184), and (Z=120,N=172) within the framework of self-co…
Angular analysis of decays reconstructed in 2019-2020 Belle II data
Belle II collaboration, F. Abudinén, I. Adachi +549
We report on the first Belle II measurement of the branching fraction () and longitudinal polarization fraction () of decays. We reconstruct $B^…
Shape coexistence at the proton drip-line: First identification of excited states in 180Pb
P. Rahkila, D. G. Jenkins, J. Pakarinen +26
Excited states in the extremely neutron-deficient nucleus, 180Pb, have been identified for the first time using the JUROGAM II array in conjunction with the RITU recoil separator a…
Further explorations of Skyrme-Hartree-Fock-Bogoliubov mass formulas. II: Role of the effective mass
S. Goriely, M. Samyn, M. Bender +1
We have constructed four new complete mass tables, referred to as HFB-4 to HFB-7, each one including all the 9200 nuclei lying between the two drip lines over the range of Z and N>…
Large-amplitude Qn-Qp collectivity in the neutron-rich oxygen isotope 20O
A. P. Severyukhin, M. Bender, H. Flocard +1
By means of HFB calculations with independent constraints on axial neutron and proton quadrupole moments Q_n and Q_p, we investigate the large amplitude isoscalar and isovector def…
In-beam gamma-ray and electron spectroscopy of Md
R. Briselet, Ch. Theisen, B. Sulignano +40
The odd- Md nucleus was studied using combined -ray and conversion-electron in-beam spectroscopy. Besides the previously observed rotational band based on the $[521]…
alpha-decay chains of Z=114, A=289 and Z=118, A=293 in the relativistic mean-field model
M. Bender
A comparison of calculated and experimental Q_alpha values of superheavy even-even nuclei and a few selected odd-N nuclei is presented in the framework of the relativistic mean-fie…
Local formation of nitrogen-vacancy centers in diamond by swift heavy ions
J. Schwartz, S. Aloni, D. F. Ogletree +6
We exposed nitrogen-implanted diamonds to beams of swift uranium and gold ions (~1 GeV) and find that these irradiations lead directly to the formation of nitrogen vacancy (NV) cen…
Measurements of branching fractions and CP-violating charge asymmetries in multibody charmless decays reconstructed in 2019-2020 Belle II data
Belle II collaboration, F. Abudinén, I. Adachi +549
We report on measurements of branching fractions () and CP-violating charge asymmetries () of multibody charmless decays reconstructed by the…
Particle-Number Restoration within the Energy Density Functional formalism: Nonviability of terms depending on noninteger powers of the density matrices
T. Duguet, M. Bender, K. Bennaceur +2
We discuss the origin of pathological behaviors that have been recently identified in particle-number-restoration calculations performed within the nuclear energy density functiona…
Configuration mixing of angular momentum projected self-consistent mean-field states for neutron-deficient Pb isotopes
M. Bender, P. Bonche, T. Duguet +1
We study the low-lying collective excitation spectra of the neutron-deficient lead isotopes Pb182-Pb194 by performing a configuration mixing of angular-momentum and particle-number…
Microscopic models for exotic nuclei
M. Bender, P. -H. Heenen
Starting from successful self-consistent mean-field models, this paper discusses why and how to go beyond the mean field approximation. To include long-range correlations from fluc…
Shape staggering of mid-shell mercury isotopes from in-source laser spectroscopy compared with Density Functional Theory and Monte Carlo Shell Model calculations
S. Sels, T. Day Goodacre, B. A. Marsh +45
Neutron-deficient Hg isotopes were studied using in-source laser resonance-ionization spectroscopy at the CERN-ISOLDE radioactive ion-beam facility, in an experiment co…
Density functional theory and Kohn-Sham scheme for self-bound systems
J. Messud, M. Bender, E. Suraud
We demonstrate how the separation of the total energy of a self-bound system into a functional of the internal one-body Fermionic density and a function of an arbitrary wave vector…
Symmetry-unrestricted Skyrme mean-field study of heavy nuclei
W. Ryssens, P. -H. Heenen, M. Bender
In the light of recent experimental developments, increasing attention is devoted to nuclear phenomena related to rotational excitations of exotic intrinsic nuclear configurations…
Precision mass measurements in the zirconium region pin down the mass surface across the neutron midshell at
M. Hukkanen, W. Ryssens, P. Ascher +19
Precision mass measurements of Y, Zr, Nb, and Mo have been performed with the JYFLTRAP double Penning trap mass spectrometer at the Ion…
Measurement of the branching fraction for decays reconstructed in 2019-2020 Belle II data
Belle II Collaboration, F. Abudinén, I. Adachi +551
We report the first reconstruction of the decay mode at Belle II using samples of 2019 and 2020 data that correspond to 62.8 fb of integrated lumin…
Solution of universal nonrelativistic nuclear DFT equations in the Cartesian deformed harmonic-oscillator basis. (IX) HFODD (v3.06h): a new version of the program
J. Dobaczewski, P. BÄ czyk, P. Becker +13
We describe the new version (v3.06h) of the code HFODD that solves the universal nonrelativistic nuclear DFT Hartree-Fock or Hartree-Fock-Bogolyubov problem by using the Cartesian…
Solution of the Skyrme HF+BCS equation on a 3D mesh. II. A new version of the Ev8 code
W. Ryssens, V. Hellemans, M. Bender +1
We describe a new version of the EV8 code that solves the nuclear Skyrme-Hartree-Fock+BCS problem using a 3-dimensional cartesian mesh. Several new features have been implemented w…
Spectroscopy of heavy nuclei by configuration mixing of symmetry restored mean-field states: Shape coexistence in neutron-deficient Pb isotopes
M. Bender, P. Bonche, T. Duguet +1
We study shape coexistence and low-energy excitation spectra in neutron-deficient Pb isotopes using configuration mixing of angular-momentum and particle-number projected self-cons…
lepton mass measurement at Belle II
Belle II Collaboration, F. Abudinén, I. Adachi +539
The reconstruction of tau-pair production, , from the subsequent 3-prong () and 1-prong ($Ï^{-} \to…
Skyrme functional from a three-body pseudo-potential of second-order in gradients. Formalism for central terms
J. Sadoudi, T. Duguet, J. Meyer +1
In one way or the other, all modern parametrizations of the nuclear energy density functional (EDF) do not respect the exchange symmetry associated with Pauli's principle. It has b…
Beyond mean-field description of the low-lying spectrum of 16O
M. Bender, P. -H. Heenen
Starting from constrained Skyrme-mean-field calculations, the low-energy excitation spectrum of 16O is calculated by configuration mixing of particle-number and angular-momentum pr…
Extrapolation of mean-field models to superheavy nuclei
M. Bender
The extrapolation of self-consistent nuclear mean-field models to the region of superheavy elements is discussed with emphasis on the extrapolating power of the models. The predict…
Collectivity in the light radon nuclei measured directly via Coulomb excitation
L. P. Gaffney, A. P. Robinson, D. G. Jenkins +49
Background: Shape coexistence in heavy nuclei poses a strong challenge to state-of-the-art nuclear models, where several competing shape minima are found close to the ground state.…
Shape coexistence in neutron-deficient Kr isotopes: Constraints on the single-particle spectrum of self-consistent mean-field models from collective excitations
M. Bender, P. Bonche, P. -H. Heenen
We discuss shape coexistence in the neutron-deficient Kr72-Kr78 isotopes in the framework of configuration mixing calculations of particle-number and angular-momentum projected axi…
Beyond-mean-field-model analysis of low-spin normal-deformed and superdeformed collective states of S32, Ar36, Ar38 and Ca40
M. Bender, H. Flocard, P. -H. Heenen
We investigate the coexistence of spherical, deformed and superdeformed states at low spin in S32, Ar36, Ar38 and Ca40. The microscopic states are constructed by configuration mixi…
Systematics of low-lying states of even-even nuclei in the neutron-deficient lead region from a beyond-mean-field calculation
J. M. Yao, M. Bender, P. -H. Heenen
Nuclei located in the neutron-deficient Pb region have a complex structure, rapidly evolving as a function of neutron and proton numbers. The most famous example is Pb wher…
Skyrme mean-field study of rotational bands in transfermium isotopes
M. Bender, P. Bonche, T. Duguet +1
Self-consistent mean field calculations with the SLy4 interaction and a density-dependent pairing force are presented for nuclei in the Nobelium mass region. Predicted quasi-partic…
From finite nuclei to the nuclear liquid drop: leptodermous expansion based on the self-consistent mean-field theory
P. -G. Reinhard, M. Bender, W. Nazarewicz +1
The parameters of the nuclear liquid drop model, such as the volume, surface, symmetry, and curvature constants, as well as bulk radii, are extracted from the non-relativistic and…
Superheavy nuclei in selfconsistent nuclear calculations
K. Rutz, M. Bender, T. Buervenich +4
The shell structure of superheavy nuclei is investigated within various parametrizations of relativistic and nonrelativistic nuclear mean field models. The heaviest known even-even…
Systematics of quadrupolar correlation energies
M. Bender, G. F. Bertsch, P. -H. Heenen
We calculate correlation energies associated with the quadrupolar shape degrees of freedom with a view to improving the self-consistent mean-field theory of nuclear binding energie…
Charmless decay reconstruction in 2019 Belle II data
Belle II Collaboration, F. Abudinén, I. Adachi +533
We report on the reconstruction of various charmless decays from electron-positron collisions at the energy corresponding to the resonance collected with the Belle II…
Symmetry restoration for odd-mass nuclei with a Skyrme energy density functional
B. Bally, B. Avez, M. Bender +1
In these proceedings, we report first results for particle-number and angular-momentum projection of self-consistently blocked triaxial one-quasiparticle HFB states for the descrip…
Surface Symmetry Energy of Nuclear Energy Density Functionals
N. Nikolov, N. Schunck, W. Nazarewicz +2
We study the bulk deformation properties of the Skyrme nuclear energy density functionals. Following simple arguments based on the leptodermous expansion and liquid drop model, we…
First glimpse of the shell closure below from masses of neutron-rich cadmium isotopes and isomers
V. Manea, J. Karthein, D. Atanasov +18
We probe the nuclear shell closure by mass measurements of neutron-rich cadmium isotopes with the ISOLTRAP spectrometer at ISOLDE-CERN. The new mass of Cd offers the…
The tensor part of the Skyrme energy density functional. III. Time-odd terms at high spin
V. Hellemans, P. -H. Heenen, M. Bender
This article extends previous studies on the effect of tensor terms in the Skyrme energy density functional by breaking of time-reversal invariance. We have systematically probed t…
Exclusive Decays with Hadronic Full Event Interpretation Tagging in 34.6 fb of Belle II Data
Belle II Collaboration, F. Abudinén, I. Adachi +541
We present the results of the re-discovery of the decay in 34.6 fb of Belle II data using hadronic -tagging via the Full Event Interpretatio…
Rediscovery of decays and measurement of the longitudinal polarization fraction in decays using the Summer 2020 Belle II dataset
F. Abudinén, I. Adachi, R. Adak +538
We utilize a sample of 34.6 fb, collected by the Belle II experiment at the SuperKEKB asymmetric energy collider, to search for the , $B^+ \to ÏK^{*…
The impact of the surface energy coefficient on the deformation properties of atomic nuclei as predicted by Skyrme energy density functionals
W. Ryssens, M. Bender, K. Bennaceur +2
In the framework of nuclear energy density functional (EDF) methods, many nuclear phenomena are related to the deformation of intrinsic states. Their accurate modeling relies on th…
Microscopic study of 240Pu, mean-field and beyond
M. Bender, P. -H. Heenen, P. Bonche
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 s…
Iterative approaches to the self-consistent nuclear energy density functional problem. Heavy ball dynamics and potential preconditioning
W. Ryssens, M. Bender, P. -H. Heenen
Large-scale applications of energy density functional (EDF) methods depend on fast and reliable algorithms to solve the associated non-linear self-consistency problem. When dealing…
Shell-model calculation of isospin-symmetry breaking correction to superallowed Fermi beta-decay
L. Xayavong, N. A. Smirnova, M. Bender +1
We investigate the radial-overlap part of the isospin-symmetry breaking correction to superallowed -decay using the shell-model approach similar to that of Refs. [1, 2]…
Radiation Hardness of Graphene and MoS2 Field Effect Devices Against Swift Heavy Ion Irradiation
O. Ochedowski, K. Marinov, G. Wilbs +7
We have investigated the deterioration of field effect transistors based on twodimensional materials due to irradiation with swift heavy ions. Devices were prepared with exfoliated…
Configuration mixing of angular-momentum and particle-number projected triaxial HFB states using the Skyrme energy density functional
M. Bender, P. -H. Heenen
We present a method based on mean-field states generated by triaxial quadrupole constraints which are projected on particle number and angular momentum and mixed by the generator c…
Measurement of the branching fraction with early Belle II data
Belle II Collaboration, F. Abudinén, I. Adachi +533
We measure the branching fractions for the decays and using of data coll…
Constraining the surface properties of effective Skyrme interactions
R. Jodon, M. Bender, K. Bennaceur +1
The purpose of this study is threefold: first, to identify a scheme for the determination of the surface energy coefficient a_surf that offers the best compromise between robustnes…
The mass of odd-odd nuclei in microscopic mass models
W. Ryssens, G. Scamps, G. Grams +3
Accurate estimates of the binding energy of nuclei far from stability that cannot be produced in the laboratory are crucial to our understanding of nuclear processes in astrophysic…
Measurement of the time-integrated mixing probability with a semileptonic double-tagging strategy and of Belle II collision data
Belle II Collaboration, F. Abudinén, I. Adachi +550
We present the first measurement of the time-integrated mixing probability using Belle II data collected at a center-of-mass (CM) energy of 10.58 GeV, corresponding to the m…
Measurement of Hadronic Mass Moments in Decays at Belle II
Belle II Collaboration, F. Abudinén, I. Adachi +540
We present measurements of the first six hadronic mass moments in semileptonic decays. The hadronic mass moments, together with other observables of inc…
Pairing Gap and Polarisation Effects
K. Rutz, M. Bender, P. -G. Reinhard +1
The phenomenological adjustment of the nuclear pairing strength is usually performed with respect to the odd-even staggering of the binding energies. We find that the results stron…
Consequences of the center-of-mass correction in nuclear mean-field models
M. Bender, K. Rutz, P. -G. Reinhard +1
We study the influence of the scheme for the correction for spurious center-of-mass motion on the fit of effective interactions for self-consistent nuclear mean-field calculations.…
Measurement of the lifetime using fully reconstructed hadronic decays in the 2019 Belle II dataset
Belle II Collaboration, F. Abudinén, I. Adachi +534
This document presents the measurement of meson lifetimes using the 2019 Belle II dataset that corresponds to an integrated luminosity of fb. Each candid…
Pairing gaps from nuclear mean-field models
M. Bender, K. Rutz, P. -G. Reinhard +1
We discuss the pairing gap, a measure for nuclear pairing correlations, in chains of spherical, semi-magic nuclei in the framework of self-consistent nuclear mean-field models. The…
Measurements of branching fractions and direct CP asymmetries in , and using 2019 and 2020 data
Belle II Collaboration, F. Abudinén, I. Adachi +549
We report updated measurements of branching fractions () and CP-violating charge asymmetries () for charmless decays at Belle II, which opera…
First flavor tagging calibration using 2019 Belle II data
Belle II Collaboration, F. Abudinén, I. Adachi +540
We report on the first calibration of the standard Belle II -flavor tagger using the full data set collected at the resonance in 2019 with the Belle II detector a…
Spurious finite-size instabilities in nuclear energy density functionals
V. Hellemans, A. Pastore, T. Duguet +5
It is known that some well-established parametrizations of the EDF do not always provide converged results for nuclei and a qualitative link between this finding and the appearance…
Regularization of Multi-Reference Energy Density Functional Calculations
M. Bender, T. Duguet, P. -H. Heenen +1
We report the first application of a recently proposed regularization procedure for multi-reference energy density functionals, which removes spurious divergent or non-continuous c…
Particle-Number Restoration within the Energy Density Functional Formalism
M. Bender, T. Duguet, D. Lacroix
We give a detailed analysis of the origin of spurious divergences and finite steps that have been recently identified in particle-number restoration calculations within the nuclear…
Shape Coexistence in Pb186: Beyond-mean-field description by configuration mixing of symmetry restored wave functions
T. Duguet, M. Bender, P. Bonche +1
We study shape coexistence in Pb186 using configuration mixing of angular-momentum and particle-number projected self-consistent mean-field states. The same Skyrme interaction SLy6…
Comment on ``Structure of exotic nuclei and superheavy elements in a relativistic shell model''
M. Bender
A recent paper [M. Rashdan, Phys. Rev. C 63, 044303 (2001)] introduces the new parameterization NL-RA1 of the relativistic mean-field model which is claimed to give a better descri…
Shell Corrections of Superheavy Nuclei in Self-Consistent Calculations
A. T. Kruppa, M. Bender, W. Nazarewicz +3
Shell corrections to the nuclear binding energy as a measure of shell effects in superheavy nuclei are studied within the self-consistent Skyrme-Hartree-Fock and Relativistic Mean-…
The Belle II Physics Book
E. Kou, P. Urquijo, W. Altmannshofer +524
We present the physics program of the Belle II experiment, located on the intensity frontier SuperKEKB collider. Belle II collected its first collisions in 2018, and is ex…
Beyond mean-field study of elastic and inelastic electron scattering off nuclei
J. M. Yao, M. Bender, P. -H. Heenen
Electron scattering provides a powerful tool to determine charge distributions and transition densities of nuclei. This tool will soon be available for short-lived neutron-rich nuc…
The Z=82 shell closure in neutron-deficient Pb isotopes
M. Bender, T. Cornelius, G. A. Lalazissis +3
Recent mass measurements show a substantial weakening of the binding energy difference delta_{2p} (Z,N) = E(Z-2,N) - 2 E(Z,N) + E(Z+2,N) in the neutron-deficient Pb isotopes. As de…
Measurement of the semileptonic branching fraction with fully reconstructed meson decays and 34.6 fbof Belle II data
Belle II Collaboration, F. Abudinen, I. Adachi +540
We present a first measurement of the branching fraction using fully reconstructed meson decays employing the Full Event Int…
Ab initio-driven nuclear energy density functional method. A proposal for safe/correlated/improvable parametrizations of the off-diagonal EDF kernels
T. Duguet, M. Bender, J. -P. Ebran +2
This programmatic paper lays down the possibility to reconcile the necessity to resum many-body correlations into the energy kernel with the fact that safe multi-reference energy d…
High-Resolution Laser Spectroscopy on the Hyperfine Structure of Fm (Z=100)
M. Urquiza-González, M. Stemmler, T. E. Albrecht +36
We report on high-resolution laser spectroscopy of Fm (h), one of the heaviest nuclides available from reactor breeding. The hyperfine structures in two diffe…
Rediscovery of at Belle II
Belle II Collaboration, F. Abudinén, I. Adachi +545
We present preliminary results on the reconstruction of the decay, where or $…
First search for direct -violating asymmetry in decays at Belle II
Belle II Collaboration, F. Abudinén, I. Adachi +551
We report on the first measurement of the direct -violating asymmetry () in the charmless decay at Belle II and an updated measurement of its bra…
Measurement of the branching fractions of decays using 2019/2020 Belle II data
Belle II Collaboration, F. Abudinén, I. Adachi +545
This note describes the rediscovery of decays in Belle II data, both in the charged and neutral final state: and . The is searc…
Beyond Mean-Field Calculations for Odd-A Nuclei
B. Bally, B. Avez, M. Bender +1
Beyond mean-field methods are very successful tools for the description of large-amplitude collective motion for even-even atomic nuclei. The state-of-the-art framework of these me…
Collectivity-induced quenching of signatures for shell closures
M. Bender, G. F. Bertsch, P. -H. Heenen
Mass differences are an often used as signature and measure for shell closure. Using the angular-momentum projected Generator Coordinate Method and the Skyrme interaction SLy4, we…
Studies of the semileptonic and decay processes with 34.6 fb of Belle II data
Belle II Collaboration, F. Abudinén, I. Adachi +542
We report measurements of the and processes using 34.6 fb of collision events recorded by the Bell…
Skyrme pseudo-potential-based EDF parametrisation for spuriousity-free MR-EDF calculations
J. Sadoudi, M. Bender, K. Bennaceur +3
First exploratory steps towards a pseudo-potential-based Skyrme energy density functional for spuriousity-free multi-reference calculations are presented. A qualitatively acceptabl…
Correlation energies by the generator coordinate method: computational aspects for quadrupolar deformations
M. Bender, G. Bertsch, P. -H. Heenen
We investigate truncation schemes to reduce the computational cost of calculating correlations by the generator coordinate method based on mean-field wave functions. As our test nu…
Shell stabilization of super- and hyperheavy nuclei without magic gaps
M. Bender, W. Nazarewicz, P. -G. Reinhard
Quantum stabilization of superheavy elements is quantified in terms of the shell-correction energy. We compute the shell correction using self-consistent nuclear models: the non-re…
Structure of superheavy nuclei
M. Bender, P. -H. Heenen
Properties of transactinide nuclei needed for the interpretation of spectroscopic data and for the extrapolation to the expected "island of stability" of superheavy nuclei are revi…
Numerical accuracy of mean-field calculations in coordinate space
W. Ryssens, P. -H. Heenen, M. Bender
Background: Mean-field methods based on an energy density functional (EDF) are powerful tools used to describe many properties of nuclei in the entirety of the nuclear chart. The a…
Systematics of Fission Barriers in Superheavy Elements
T. Buervenich, M. Bender, J. A. Maruhn +1
We investigate the systematics of fission barriers in superheavy elements in the range Z = 108-120 and N = 166-182. Results from two self-consistent models for nuclear structure, t…
Measurements of branching fractions and direct -violating asymmetries in $B^+ \to K^+ Ï^0~\mbox{and}~Ï^+ Ï^0$ decays using 2019 and 2020 Belle II data
F. Abudinén, I. Adachi, R. Adak +549
We report measurements of branching fractions () and direct -violating asymmetries () for the decays and $B^+ \to Ï^+Ï…
Measurements of branching fractions and CP-violating charge asymmetries in charmless decays reconstructed in 2019--2020 Belle~II data
Belle II Collaboration, F. Abudinén, I. Adachi +544
We report on first measurements of branching fractions~() and CP-violating charge asymmetries~() in charmless decays at Belle~II. We use a sample of e…
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…
New parameterization of Skyrme's interaction for regularized multi-reference energy density functional calculations
K. Washiyama, K. Bennaceur, B. Avez +3
[Background] Symmetry restoration and configuration mixing in the spirit of the generator coordinate method based on energy density functionals have become widely used techniques i…
Skyrme-Hartree-Fock-Bogoliubov mass models on a 3D mesh: V. The N2LO extension of the Skyrme EDF
G. Grams, W. Ryssens, A. Sánchez-Fernández +6
We present BSkG5, the latest entry in the Brussels-Skyrme-on-a-Grid (BSkG) series and the first large-scale nuclear structure model based on next-to-next-to-leading order (N2LO) Sk…