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The Gamow shell model is utilized to describe nuclear observables of the weakly bound and resonance isotonic states of $^{16}$O at proton drip-line. It is hereby shown that the presence of continuum coupling leads to complex Coulomb…

Nuclear Theory · Physics 2019-12-06 Nicolas Michel , Jian Guo Li , Fu Rong Xu , Wei Zuo

We take an additional step towards the optimization of the novel finite-range pseudopotential at constrained Hartree-Fock-Bogolyubov level and implement an optimization procedure within an axial code using harmonic oscillator basis. We…

Nuclear Theory · Physics 2020-09-03 T. Haverinen , M. Kortelainen , J. Dobaczewski , K. Bennaceur

The evolution of structure property along the fission path in the superheavy nucleus $^{256}$Sg is predicted through the multi-dimensional potential-energy(or Routhian)-surface calculations,in which the phenomenological deformed Woods-Saxon…

Nuclear Theory · Physics 2023-03-29 Ting-Ting Li , Hua-Lei Wang , Zhen-Zhen Zhang , Min-Liang Liu

We investigate the isospin dependence of pseudospin symmetry in the chain of tin isotopes (from $^{120}$Sn until $^{170}$Sn). Using a Woods-Saxon parametrization of the nuclear potential for these isotopes we study in detail the effect of…

Nuclear Theory · Physics 2015-06-26 R. Lisboa , M. Malheiro , P. Alberto

A new parametrization PC-PK1 for the nuclear covariant energy density functional with nonlinear point-coupling interaction is proposed by fitting to observables for 60 selected spherical nuclei, including the binding energies, charge radii…

Nuclear Theory · Physics 2010-12-23 P. W. Zhao , Z. P. Li , J. M. Yao , J. Meng

We scan the complete parameter space of the supersymmetric standard model extended by a gauge singlet, which is compatible with the following constraints: universal soft supersymmetry breaking terms at the GUT scale, finite running Yukawa…

High Energy Physics - Phenomenology · Physics 2011-01-13 Ulrich Ellwanger , Michel Rausch de Traubenberg , Carlos A. Savoy

Pseudospin symmetry in nuclei is investigated by solving the Dirac equation with Woods-Saxon scalar and vector radial potentials, and studying the correlation of the energy splittings of pseudospin partners with the nuclear potential…

Nuclear Theory · Physics 2009-11-07 P. Alberto , M. Malheiro , A. Delfino , M. Fiolhais , M. Chiapparini

The positions of the $l=0$ $S$-matrix poles are calculated in generalized Woods-Saxon (GWS) potential and in cut-off generalized Woods-Saxon (CGWS) potential. The solutions of the radial equations are calculated numerically for the CGWS…

Nuclear Theory · Physics 2016-04-20 P. Salamon , Á. Baran , T. Vertse

Statistics of the single-particle levels in a deformed Woods-Saxon potential is analyzed in terms of the Poisson and Wigner nearest-neighbor distributions for several deformations and multipolarities of its surface distortions. We found the…

Nuclear Theory · Physics 2013-05-30 J. P. Blocki , A. G. Magner

Potential energy surfaces and fission barriers of superheavy nuclei are analyzed in the macroscopic-microscopic model. The Lublin-Strasbourg Drop (LSD) is used to obtain the macroscopic part of the energy, whereas the shell and pairing…

By assuming the existence of a pseudopotential smooth enough to do Hartree-Fock variations and good enough to describe nuclear structure, we construct mass formulae that rely on general scaling arguments and on a schematic reading of shell…

Nuclear Theory · Physics 2015-06-26 J. Duflo , A. P. Zuker

Large-scale shell-model calculations have been performed to study the nuclear structure properties of Hg isotopes with mass varying from $A=193$ to $A=200$. The shell-model calculations are carried out in the 50 $\leq Z \leq$ 82 and 82 $…

Nuclear Theory · Physics 2024-12-24 Subhrajit Sahoo , Praveen C. Srivastava , Noritaka Shimizu , Yutaka Utsuno

The presence of a particle continuum, both of a resonant and non-resonant character, can significantly impact spectroscopic properties of weakly bound nuclei and excited nuclear states close to, and above, the particle emission threshold.…

Nuclear Theory · Physics 2008-11-26 N. Michel , W. Nazarewicz , M. Ploszajczak

This work is dedicated to the study of even-even 8-14 Be isotopes using the particle-particle Random Phase Approximation that accounts for two-body correlations in the core nucleus. A better description of energies and two-particle…

Nuclear Theory · Physics 2014-11-21 Guillaume Blanchon , Nicole Vinh Mau , Angela Bonaccorso , Marc Dupuis , Nathalie Pillet

Analytic average mean-field potentials of the Fermi-function (Woods-Saxon) type for the whole nuclear chart with space-dependent effective mass are deduced from the D1S Gogny force. Those ready-for-use potentials are advertised as an…

Nuclear Theory · Physics 2021-03-03 A. Bhagwat , M. Centelles , X. Viñas , P. Schuck

We closely investigate NN potentials based upon the Delta-full version of chiral effective field theory. We find that recently constructed NN potentials of this kind, which (when applied together with three-nucleon forces) were presented as…

Nuclear Theory · Physics 2021-11-24 Y. Nosyk , D. R. Entem , R. Machleidt

Using various relativistic mean-field models, including the nonlinear ones with meson field self-interactions, those with density-dependent meson-nucleon couplings, and the point-coupling models without meson fields, we have studied the…

Nuclear Theory · Physics 2008-11-26 Lie-Wen Chen , Che Ming Ko , Bao-An Li

Pseudospin symmetry in nuclei is investigated by solving the Dirac equation with Woods-Saxon scalar and vector radial potentials. We relate the pseudospin interaction with a pseudospin-orbit term in a Schroedinger-like equation for the…

Nuclear Theory · Physics 2017-08-23 R. Lisboa , M. Malheiro , A. Delfino , P. Alberto , M. Fiolhais , M. Chiapparini

A set of moderately deformed $s-d$ shell nuclei is employed for testing the reliability of the nuclear ground state wave functions which are obtained in the context of a BCS approach and offer a simultaneous consideration of deformation and…

Nuclear Theory · Physics 2009-11-11 Ch. C. Moustakidis , T. S. Kosmas , F. Simkovic , Amand Faessler

Recent high precision experimental data for heavy-ion fusion cross sections at energies in the vicinity of the Coulomb barrier systematically show that a strikingly large surface diffuseness parameter for a Woods-Saxon potential is required…

Nuclear Theory · Physics 2017-08-23 K. Hagino , M. Dasgupta , I. I. Gontchar , D. J. Hinde , C. R. Morton , J. O. Newton
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