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Bayesian analyses on both isoscalar and isovector nuclear interaction parameters are carried out based on the Korea-IBS-Daegu-SKKU (KIDS) model under the constraints of nuclear structure data of $^{208}$Pb and $^{120}$Sn. Under the…

Nuclear Theory · Physics 2022-04-12 Jun Xu , Panagiota Papakonstantinou

We investigate the roles of deformation on the giant monopole resonance (GMR), particularly the mixing of the giant quadrupole resonance (GQR) and the effects of the neutron excess in the well-deformed nuclei around $^{110}$Zr and in the…

Nuclear Theory · Physics 2010-09-28 Kenichi Yoshida

Isovector and isoscalar dipole excitations in $^9$Be and $^{10}$Be are investigated in the framework of antisymmetrized molecular dynamics, in which angular-momentum and parity projections are performed. In the present method, 1p-1h…

Nuclear Theory · Physics 2016-03-23 Yoshiko Kanada-En'yo

We search for nonlinear effects in nuclear giant resonances (GRs), in particular the isovector dipole and the isoscalar quadrupole modes. To that end, we employ a spectral analysis of time-dependent Hartree-Fock (TDHF) dynamics using Skyrme…

Nuclear Theory · Physics 2008-11-26 P. -G. Reinhard , Lu Guo , J. A. Maruhn

The breathing-mode giant monopole resonance (GMR) is studied within the framework of the relativistic mean-field theory using the Generator Coordinate Method (GCM). The constrained incompressibility and the excitation energy of isoscalar…

Nuclear Theory · Physics 2009-09-25 M. V. STOITSOV , P. RING , M. M. SHARMA

Collective monopole vibrations are studied in the framework of an antisymmetrized version of molecular dynamics as a function of the vibration amplitude. The giant monopole resonance energy in ${}^{40}Ca$ is sensitive to the…

Nuclear Theory · Physics 2014-11-21 T. Furuta , K. H. O. Hasnaoui , F. Gulminelli , C. Leclercq , A. Ono

Giant resonances encapsulate the dynamic response of the nuclear ground state to external perturbations. As such, they offer a unique view of the nucleus that is often not accessible otherwise. Although interesting in their own right, giant…

Nuclear Theory · Physics 2015-06-16 J. Piekarewicz

NMR spectra of 73 Ge (nuclear spin I = 9/2) in germanium single crystals with different isotopic compositions have been measured at the frequency of 17.4 MHz at room temperature. Due to the small concentration (~0.1%) of the magnetic (73…

The strong deformation splitting of the isoscalar giant monopole resonance (ISGMR), recently observed in ($\alpha,\alpha'$) reaction in prolate $^{24}$Mg, is analyzed in the framework of the Skyrme quasiparticle random-phase-approximation…

Nuclear Theory · Physics 2016-02-17 J. Kvasil , V. O. Nesterenko , A. Repko , P. -G. Reinhard , W. Kleinig

We calculate the transition density for the overtone of the isosclar giant monopole resonance (ISGMR) from the response to an appropriate external field $\hat{f}_\xi(r)$ obtained using the seemiclassical fluid dynamic approximation and the…

Nuclear Theory · Physics 2009-11-10 S. Shlomo , V. M. Kolomietz , B. K. Agrawal

The incompressibility $K_sat(\delta)$ of isospin asymmetric nuclear matter at its saturation density. Our results show that in the expansion of $K_sat(\delta)$ in powers of isospin asymmetry $\delta$, i.e., $K_sat(\delta…

Nuclear Theory · Physics 2012-03-27 Lie-Wen Chen , Bao-Jun Cai , Chun Shen , Che Ming Ko , Jun Xu , Bao-An Li

The particle-hole dispersive optical model, developed recently, is applied to describe properties of high-energy isoscalar monopole excitations in medium-heavy mass spherical nuclei. We consider, in particular, the double transition density…

Nuclear Theory · Physics 2016-07-20 M. L. Gorelik , S. Shlomo , B. A. Tulupov , M. H. Urin

The energetic beam of (spin and isospin zero) $\alpha$-particles remains a very efficient probe for the nuclear isoscalar giant resonances. In the present work, a microscopic folding model study of the isoscalar giant resonances in…

Nuclear Theory · Physics 2015-05-14 Do Cong Cuong , Dao T. Khoa , Gianluca Colo

Using the density-dependent Hartree-Fock approximation and Skyrme forces together with the scaling method and constrained Hartree-Fock calculations, we obtain the average energies of the isoscalar giant monopole resonance. The calculations…

Nuclear Theory · Physics 2010-12-23 M. Centelles , X. Vinas , S. K. Patra , J. N. De , Tapas Sil

Nuclei are propitious tools to investigate the role of the superfluidity in the compressibility of a Fermionic system. The centroid of the Giant Monopole Resonance (GMR) in Tin isotopes is predicted using a constrained Hartree-Fock…

Nuclear Theory · Physics 2009-08-20 Elias Khan

A self-consistent Quasiparticle-Random-Phase-Approximation (QRPA) model which employs the canonical Hartree-Fock-Bogoliubov (HFB) basis and an energy-density functional with a Skyrme mean field part and a density-dependent pairing, is used…

Nuclear Theory · Physics 2008-12-24 Jun Li , Gianluca Colo' , Jie Meng

Isoscalar dipole strength distributions in spherical medium- and heavy-mass nuclei are calculated within random phase approximation (RPA) or quasiparticle RPA. Different Skyrme-type interactions corresponding to incompressibilities in the…

Nuclear Theory · Physics 2009-11-06 G. Colo` , N. Van Giai , P. F. Bortignon , M. R. Quaglia

Coagulation driven by supersonic turbulence is primarily an astrophysical problem because coagulation processes on Earth are normally associated with incompressible fluid flows at low Mach numbers, while dust aggregation in the interstellar…

Fluid Dynamics · Physics 2021-04-30 Xiang-Yu Li , Lars Mattsson

Background: Inelastic proton scattering at energies of a few hundred MeV and very-forward angles including $0^\circ$ has been established as a tool to study electric-dipole strength distributions in nuclei. The present work reports a…

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