165 citations · 494 across the 24 of their papers we have counts for
24 papers
Microscopic Statistical Calculation of Nuclear Level Density Based on Relativistic Density Functional Theory
Zi-Cheng Wang, Peng-Xiang Du, Jian Li +2
A microscopic statistical model based on the relativistic density functional theory (RDFT) is developed to calculate the nuclear level density (NLD). The approach employs self-cons…
A Question of Shape: New Mechanism Governing Superheavy Nuclei Survival
A. Rahmatinejad, T. M. Shneidman, G. G. Adamian +3
We demonstrate that hot superheavy nuclei do not retain spherical shapes, as traditionally assumed, but instead equilibrate in deformed, often oblate or triaxial, configurations at…
From first to second minimum: Parity-dependent level densities in Pu
A. Rahmatinejad, T. M. Shneidman, N. Jovancevic
We calculate the parity-dependent level density ratios for Pu across a broad range of quadrupole deformations, from the spherical configuration up to the superdeformed…
Dependence of angular momentum of fission fragments on total kinetic energy in spontaneous fission of Cf
A. Rahmatinejad, T. M. Shneidman, G. G. Adamian +1
A weak dependence of the angular momentum of Ba fragments, produced in the spontaneous fission of Cf, on the total kinetic energy (TKE) was recently observed \cite{…
Study of neutron-deficient nucleus 224Np and its α decay by particle-number-conserving method in the framework of deformed shell model
Xiao-Tao He, Kun Huang, T. M. Shneidman +3
The particle-number-conserving (PNC) method in the framework of the deformed shell model (DSM) is employed to study the properties of the newly discovered short-lived neutron-defic…
Angular momentum dependence of -decay spectroscopic factors
E. V. Mardyban, D. F. Bayramov, A. Rahmatinejad +3
The probabilities to form an -particle on the surface of heavy nuclei (spectroscopic factors) in the states of different angular momenta are calculated within the dinuclear syst…
Influences of and deformed shells on isomers and rotational bands in isotones
Jun Zhang, Hai-Qian Zhang, T. M. Shneidman +2
The isomeric states and rotational bands in the even-even isotones with are investigated by the cranked shell model (CSM) with…
Quantum-mechanical description of angular motion of fission fragments at scission
T. M. Shneidman, A. Rahmatinejad, G. G. Adamian +1
The quantum-mechanical description of the collective angular motion in a system of two touching fission fragments is proposed. The main peculiarities of excitation spectrum and the…
Entropies, level-density parameters, and fission probabilities along the triaxially- and axially-symmetric fission paths in Lv
A. Rahmatinejad, T. M. Shneidman, G. G. Adamian +3
We employ a statistical approach to investigate the influence of axial asymmetry on the nuclear level density and entropy along the fission pathways of a superheavy nucleus, explic…
Multi-step particle emission probabilities in superheavy nuclei at moderate excitation energies
A. Rahmatinejad, T. M. Shneidman, G. G. Adamian +3
The probabilities of -, -, and -evaporation channels in excited superheavy nuclei were evaluated using the Monte Carlo method. The calculations utilized microscopical…
Spontaneous fission of 246Fm
A. V. Isaev, R. S. Mukhin, A. V. Andreev +25
An experiment on the study of the Fm spontaneous fission was conducted using the SHELS separator. The isotope was synthesized in the complete fusion reaction of Ar b…
Evolution of the phenomenologically determined collective potential along the chain of Zr isotopes
E. V. Mardyban, E. A. Kolganova, T. M. Shneidman +1
The properties of the collective low-lying states of Zr isotopes which include excitation energies and reduced transition probabilities indicate that some of these states are…
Energy dependent ratios of level-density parameters in superheavy nuclei
A. Rahmatinejad, T. M. Shneidman, G. Adamian +3
The nuclear level densities and level-density parameters in fissioning nuclei at their saddle points of fission barriers - , as well as those for neutron - , proton -…
Level-density parameters in superheavy nuclei
A. Rahmatinejad, A. N. Bezbakh, T. M. Shneidman +4
We systematically study the nuclear level densities of superheavy nuclei, including odd systems, using the single-particle energies obtained with the Woods-Saxon potential diagonal…
Description of the low-lying collective states of Zr based on the quadrupole-collective Bohr Hamiltonian
E. V. Mardyban, E. A. Kolganova, T. M. Shneidman +2
Experimental data on Zr indicate coexisting spherical and deformed structures with small mixing amplitudes. Several collective low-lying states and E2 and M1 transitions are…
The observation of vibrating pear shapes in radon nuclei: update
P. A. Butler, L. P. Gaffney, P. Spagnoletti +41
There is a large body of evidence that atomic nuclei can undergo octupole distortion and assume the shape of a pear. This phenomenon is important for measurements of electric-dipol…
Evolution of Octupole Deformation in Radium Nuclei from Coulomb Excitation of Radioactive Ra and Ra Beams
P. A. Butler, L. P. Gaffney, P. Spagnoletti +40
There is sparse direct experimental evidence that atomic nuclei can exhibit stable pear shapes arising from strong octupole correlations. In order to investigate the nature of octu…
Description of shape coexistence in Zr based on the collective quadrupole Bohr Hamiltonian
D. A. Sazonov, E. A. Kolganova, T. M. Shneidman +3
Experimental data on Zr indicate coexisting spherical and deformed structures with small mixing amplitudes. We investigate the properties of the low-lying collective states…
High-resolution study of low-spin states in Pu: Octupole excitations, clustering, and other structure features
M. Spieker, S. Pascu, D. Bucurescu +6
A high-resolution experiment at = 24 MeV was performed to populate low-spin states in the actinide nucleus Pu. The Q3D magnetic spectrograph of the Maier-L…
Analytical description of the excited state phase transition to octupole deformed shape in alternating parity bands
E. V. Mardyban, T. M. Shneidman, E. A. Kolganova +2
Angular momentum dependences of the parity splitting and electric dipole transitions in the alternating parity bands of heavy nuclei have been analyzed. It is shown that these depe…
Multiple reflection-asymmetric type band structures in and dinuclear model
T. M. Shneidman, G. G. Adamian, N. V. Antonenko +2
The negative parity bands in Th are analyzed within the dinuclear system model which was previously used for describing the alternating-parity bands in deformed actinides.…
Cluster Interpretation of Properties of Alternating Parity Bands in Heavy Nuclei
T. M. Shneidman, G. G. Adamian, N. V. Antonenko +2
The properties of the states of the alternating parity bands in actinides, Ba, Ce and Nd isotopes are analyzed within a cluster model. The model is based on the assumption that clu…
Relationship between dinuclear systems and nuclei in highly deformed states
T. M. Shneidman, G. G. Adamian, N. V. Antonenko +2
Potential energies, moments of inertia, quadrupole and octupole moments of dinuclear systems are compared with the corresponding quantities of strongly deformed nuclei. As dinuclea…
Towards exotic nuclei via binary reaction mechanism
N. V. Antonenko, A. K. Nasirov, T. M. Shneidman +1
Assuming a binary reaction mechanism, the yield of isotopes near the heaviest neutron-deficit nucleus Sn is studied with a microscopic transport model. The large infl…