118 citations · 727 across the 26 of their papers we have counts for
26 papers
Microscopic optical potential framework applied to neutron scattering on deformed Cr
J. Boström, B. G. Carlsson, A. Idini
We formulate and implement a microscopic framework to derive an optical potential from the solution to an effective Hamiltonian and use it to calculate neutron scattering cross sec…
Beyond-Mean-Field with an Effective Hamiltonian Mapped from an Energy Density Functional
J. Ljungberg, J. Boström, B. G. Carlsson +2
A method for beyond-mean-field calculations based on an energy density functional is described. The main idea is to map the energy surface for the nuclear quadrupole deformation, o…
Towards microscopic optical potentials in deformed nuclei
Andrea Idini, Jimmy Rotureau, Johan Boström +2
A microscopic and consistent description of both nuclear structure and reactions is instrumental to extend the predictivity of models calculating scattering observables. In particu…
Nuclear spectra from low-energy interactions
J. Ljungberg, B. G. Carlsson, J. Rotureau +2
A method to describe spectra starting from nuclear density functionals is explored. The idea is based on postulating an effective Hamiltonian that reproduces the stiffness associat…
Correlation studies of fission fragment neutron multiplicities
M. Albertsson, B. G. Carlsson, T. Døssing +3
We calculate neutron multiplicities from fission fragments with specified mass numbers for events having a specified total fragment kinetic energy. The shape evolution from the ini…
Microscopic treatment of energy partition in fission
M. Albertsson, B. G. Carlsson, T. Døssing +3
The transformation of an atomic nucleus into two excited fission fragments is modeled as a strongly damped evolution of the nuclear shape, until scission occurs at a small critical…
Recoil-alpha-fission and recoil-alpha-alpha-fission events observed in the reaction Ca-48 + Am-243
U. Forsberg, D. Rudolph, L. -L. Andersson +51
Products of the fusion-evaporation reaction Ca-48 + Am-243 were studied with the TASISpec set-up at the gas-filled separator TASCA at the GSI Helmholtzzentrum für Schwerionenforsch…
Spectroscopic properties of nuclear Skyrme energy density functionals
D. Tarpanov, J. Dobaczewski, J. Toivanen +1
We address the question of how to improve the agreement between theoretical nuclear single-particle energies (SPEs) and experiment. Empirically, in doubly magic nuclei, the SPEs ca…
Alpha-particle formation and decay rates from Skyrme-HFB wave functions
D. E. Ward, B. G. Carlsson, S. Åberg
decay is treated microscopically, where the unstable mother nucleus and residual daughter nucleus are described using HFB wave functions, obtained with the Skyrme effective int…
-decay calculations of heavy nuclei using an effective Skyrme interaction
D. E. Ward, B. G. Carlsson, S. Åberg
Background: For nuclei heavier than Pb decay is a dominating decay mode, and in the search of new superheavy elements one often observes chains of decays. Purpose:…
Low-lying states in near-magic odd-odd nuclei and the effective interaction
B. G. Carlsson, J. Toivanen
The iterative quasi-particle-random-phase approximation (QRPA) method we previously developed to accurately calculate properties of individual nuclear states is extended so that it…
Structure of Superheavy Nuclei Along Element 115 Decay Chains
Yue Shi, D. E. Ward, B. G. Carlsson +4
A recent high-resolution , -ray, and -ray coincidence-spectroscopy experiment offered first glimpse of excitation schemes of isotopes along -decay chains of . To…
Polarization corrections to single-particle energies studied within the energy-density-functional and QRPA approaches
D. Tarpanov, J. Toivanen, J. Dobaczewski +1
Background: Models based on using perturbative polarization corrections and mean-field blocking approximation give conflicting results for masses of odd nuclei. Purpose: Systematic…
Fluctuating parts of nuclear ground state correlation energies
B. G. Carlsson, J. Toivanen, U. von Barth
Background: Heavy atomic nuclei are often described using the Hartree-Fock-Bogoliubov (HFB) method. In principle, this approach takes into account Pauli effects and pairing correla…
Collective vibrational states with fast iterative QRPA method
B. G. Carlsson, J. Toivanen, A. Pastore
An iterative method we previously proposed to compute nuclear strength functions is developed to allow it to accurately calculate properties of individual nuclear states. The appro…
Giant Monopole Resonances and nuclear incompressibilities studied for the zero-range and separable pairing interactions
P. Vesely, J. Toivanen, B. G. Carlsson +3
Background: Following the 2007 precise measurements of monopole strengths in tin isotopes, there has been a continuous theoretical effort to obtain a precise description of the exp…
Continuity equation and local gauge invariance for the N3LO nuclear Energy Density Functionals
F. Raimondi, B. G. Carlsson, J. Dobaczewski +1
Background: The next-to-next-to-next-to-leading order (N3LO) nuclear energy density functional extends the standard Skyrme functional with new terms depending on higher-order deriv…
Evidence for Shape Co-existence at medium spin in 76Rb
R. Wadsworth, I. Ragnarsson, B. G. Carlsson +21
Four previously known rotational bands in 76Rb have been extended to moderate spins using the Gammasphere and Microball gamma ray and charged particle detector arrays and the 40Ca(…
Effective pseudopotential for energy density functionals with higher order derivatives
F. Raimondi, B. G. Carlsson, J. Dobaczewski
We derive a zero-range pseudopotential that includes all possible terms up to sixth order in derivatives. Within the Hartree-Fock approximation, it gives the average energy that co…
Convergence of density-matrix expansions for nuclear interactions
B. G. Carlsson, J. Dobaczewski
We extend density-matrix expansions in nuclei to higher orders in derivatives of densities and test their convergence properties. The expansions allow for converting the interactio…
The Negele-Vautherin density matrix expansion applied to the Gogny force
J. Dobaczewski, B. G. Carlsson, M. Kortelainen
We use the Negele-Vautherin density matrix expansion to derive a quasi-local density functional for the description of systems of fermions interacting with short-ranged interaction…
Linear response strength functions with iterative Arnoldi diagonalization
J. Toivanen, B. G. Carlsson, J. Dobaczewski +4
We report on an implementation of a new method to calculate RPA strength functions with iterative non-hermitian Arnoldi diagonalization method, which does not explicitly calculate…
Solution of self-consistent equations for the N3LO nuclear energy density functional in spherical symmetry. The program HOSPHE (v1.00)
B. G. Carlsson, J. Dobaczewski, J. Toivanen +1
We present solution of self-consistent equations for the N3LO nuclear energy density functional. We derive general expressions for the mean fields expressed as differential operato…
HFODD (v2.40h) User's Guide
J. Dobaczewski, B. G. Carlsson, J. Dudek +11
We describe the input data and installation procedures of the code HFODD (v2.40h). The present write-up contains complete and comprehensive information that has originally been giv…