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The heavy-ion fusion reactions induced by neutron-rich nuclei are investigated with the improved quantum molecular dynamics (ImQMD) model. With a subtle consideration of the neutron skin thickness of nuclei and the symmetry potential, the…

核理论 · 物理学 2015-06-19 Ning Wang , Li Ou , Yingxun Zhang , Zhuxia Li

By considering momentum transfer in the Fermi constraint procedure, the stability of the initial nuclei and fragments produced in heavy-ion collisions can be further improved in the quantum molecular dynamics simulations. The case of the…

核理论 · 物理学 2016-05-25 Ning Wang , Tong Wu , Jie Zeng , Yongxu Yang , Li Ou

To explore the roles of dynamical model and statistical model in the description of multifragmentation in heavy-ion collisions at intermediate energies, the fragments charge distributions of $^{197}$Au+$^{197}$Au at 35 MeV/u are analyzed by…

核理论 · 物理学 2015-09-14 Lihua Mao , Ning Wang , Li Ou

The multinucleon transfer reactions near barrier energies has been investigated with a multistep model based on the dinuclear system (DNS) concept, in which the capture of two colliding nuclei, the transfer dynamics and the de-excitation…

核理论 · 物理学 2018-01-03 Fei Niu , Peng-Hui Chen , Ya-Fei Guo , Chun-Wang Ma , Zhao-Qing Feng

The nucleon-nucleon interaction is investigated by using the ImQMD model with the three sets of parameters IQ1, IQ2 and IQ3 in which the corresponding incompressibility coefficients of nuclear matter are different. The charge distribution…

核理论 · 物理学 2015-06-12 Cheng Li , Junlong Tian , Yujiao Qin , Jingjing Li , Ning Wang

In this review article, we first briefly introduce the transport theory and quantum molecular dynamics model applied in the study of the heavy ion collisions from low to intermediate energies. The developments of improved quantum molecular…

核理论 · 物理学 2020-05-27 Yingxun Zhang , Ning Wang , Qingfeng Li , Li Ou , Junlong Tian , Min Liu , Kai Zhao , Xizhen Wu , Zhuxia Li

The enhancement of the sub-barrier fusion cross sections was explained as the lowering of the dynamical fusion barriers within the framework of the improved isospin-dependent quantum molecular dynamics (ImIQMD) model. The numbers of nucleon…

核理论 · 物理学 2009-09-11 Zhao-Qing Feng , Gen-Ming Jin

The heavy-ion fusion reactions with 16O bombarding on 62Ni, 65Cu, 74Ge, 148Nd, 180Hf, 186W, 208Pb, 238U are systematically investigated with the improved quantum molecular dynamics (ImQMD) model. The fusion cross sections at energies near…

核理论 · 物理学 2014-11-21 Ning Wang , Kai Zhao , Zhuxia Li

This paper presents our recent efforts to study the momentum distributions as well as the production of neutron-rich rare isotopes with heavy-ion beams in the energy region of 15 MeV/nucleon. Experimental cross sections of neutron-rich…

Within the Improved Quantum Molecular Dynamics (ImQMD) Model incorporating the statistical decay Model, the reactions of U238+U238 at the energy of 7.0 AMeV have been studied. The charge, mass and excitation energy distributions of primary…

核理论 · 物理学 2010-02-08 Kai Zhao , Xizhen Wu , Zhuxia Li

Some nearly-symmetric fusion reactions are systematically investigated with the improved quantum molecular dynamics (ImQMD) model. By introducing two-body inelastic scattering in the Fermi constraint procedure, the stability of an…

核理论 · 物理学 2015-11-05 Ning Wang , Kai Zhao , Zhuxia Li

\item[Background] The isobaric yield ratio difference (IBD) method is found to be sensitive to the density difference of neutron-rich nucleus induced reaction around the Fermi energy. \item[Purpose] An investigation is performed to study…

核实验 · 物理学 2015-12-04 C. Y. Qiao , H. L. Wei , C. W. Ma , Y. L. Zhang , S. S. Wang

Nucleon exchange mechanism is investigated in the central collisions of ${}^{40}$Ca + ${}^{238}$U and ${}^{48}$Ca + ${}^{238}$U systems near the quasi-fission regime in the framework of the Stochastic Mean-Field (SMF) approach. Sufficiently…

核理论 · 物理学 2016-01-12 S. Ayik , B. Yilmaz , O. Yilmaz

The multinucleon transfer reactions has been investigated within the dinuclear system model. The nucleon transfer is coupled to the dissipation of relative motion energy and angular momentum by solving a set of microscopically derived…

核理论 · 物理学 2017-03-10 Zhao-Qing Feng

We analyze the time evolution of the kinetic properties of nuclear matter produced in heavy-ion collisions at Fermi energies. The collision system is simulated using Constrained Molecular Dynamics (CoMD) transport calculations whose output…

核理论 · 物理学 2023-11-01 Thomas Onyango , Aldo Bonasera , Ralf Rapp

Within the framework of the Lanzhou quantum molecular dynamics (LQMD) transport model, the isospin effect in peripheral heavy-ion collisions has been investigated thoroughly. A coalescence approach is used for recognizing the primary…

核理论 · 物理学 2019-04-08 Ya-Fei Guo , Peng-Hui Chen , Fei Niu , Zhao-Qing Feng

We study the beam energy dependence of equilibration process and space-time characteristics of participant and spectator matter. For this, we simulated the semi-central collisions of $^{40}Ca+ ^{40}Ca$ at incident energies of 400, 600 and…

核理论 · 物理学 2011-12-05 Yogesh K. Vermani , Mandeep Kaur

Fragmentation of light charged particles is studied for various systems at different incident energies between 50 and 1000 MeV/nucleon. We analyze fragment production at incident energies above, below and at transition energies using the…

核理论 · 物理学 2011-04-05 Karan Singh Vinayak , Suneel Kumar

The dynamics of the charge equilibration (CE) and the effects on the production of the neutron-rich isotopes around $N = 126$ in multinucleon transfer reactions are still not well understood. In this Letter, we investigate the mechanism of…

核理论 · 物理学 2023-04-19 Zehong Liao , Long Zhu , Jun Su , Cheng Li

Basic problems of the semiclassical microscopic modelling of strongly interactingsystems are discussed within the framework of Quantum Molecular Dynamics (QMD). This model allows to study the influence of several types of nucleonic…

核理论 · 物理学 2014-11-18 C. Hartnack , Rajeev K. Puri , J. Aichelin , J. Konopka , S. A. Bass , H. Stoecker , W. Greiner
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