193 citations · 1.3k across the 31 of their papers we have counts for
31 papers
Bayesian model averaging for nuclear symmetry energy from effective proton-neutron chemical potential difference of neutron-rich nuclei
Mengying Qiu, Bao-Jun Cai, Lie-Wen Chen +2
The data-driven Bayesian model averaging is a rigorous statistical approach to combining multiple models for a unified prediction. Compared with the individual model, it provides m…
Comparing pion production in transport simulations of heavy-ion collisions at MeV under controlled conditions
Jun Xu, Hermann Wolter, Maria Colonna +20
Within the TMEP, we present a detailed study of the performance of different transport models in Sn+Sn collisions at MeV, and put particular emphasis on the production of pi…
Central Speed of Sound, Trace Anomaly and Observables of Neutron Stars from Perturbative Analyses of Scaled TOV Equations
Bao-Jun Cai, Bao-An Li, Zhen Zhang
The central speed of sound (SS) measures the stiffness of the Equation of State (EOS) of superdense neutron star (NS) matter. Its variations with density and radial coordinate in N…
Core States of Neutron Stars from Anatomizing their Scaled Structure Equations
Bao-Jun Cai, Bao-An Li, Zhen Zhang
Given an Equation of State (EOS) for neutron star (NS) matter, there is a unique mass-radius sequence characterized by a maximum mass at radius . We…
Kinetic approach of light-nuclei production in intermediate-energy heavy-ion collisions
Rui Wang, Yu-Gang Ma, Lie-Wen Chen +3
We develop a kinetic approach to the production of light nuclei up to mass number in intermediate-energy heavy-ion collisions by including them as dynamic degre…
High-order isospin-dependent surface tension contribution to the fourth-order symmetry energy of finite nuclei
Bao-Jun Cai, Rui Wang, Zhen Zhang +1
The relation between the fourth-order symmetry energy of nuclear matter at saturation density and its counterpart of finite nuclei i…
Bayesian Inference of the Symmetry Energy and the Neutron Skin in Ca and Pb from CREX and PREX-2
Zhen Zhang, Lie-Wen Chen
Using the recent model-independent determination of the charge-weak form factor difference in Ca and Pb by the CREX and PREX-2 collaborations together…
Transport Model Comparison Studies of Intermediate-Energy Heavy-Ion Collisions
Hermann Wolter, Maria Colonna, Dan Cozma +49
Transport models are the main method to obtain physics information from low to relativistic-energy heavy-ion collisions. The Transport Model Evaluation Project (TMEP) has been purs…
Evolution of polarization in the hadronic phase of heavy-ion collisions
Yifeng Sun, Zhen Zhang, Che Ming Ko +1
Using the AMPT + MUSIC+UrQMD hybrid model, we study the global and local spin polarizations of hyperons as functions of the freeze-out temperature of the spin degree of freedom…
Nuclear giant quadruple resonance within transport approach and its constraint on nucleon effective mass
Yi-Dan Song, Rui Wang, Zhen Zhang +1
We study the nuclear iso-scalar giant quadruple resonance~(ISGQR) based on the Boltzmann-Uehling-Uhlenbeck~(BUU) transport equation. The mean-field part of the BUU equation is desc…
Charged pion production from Au + Au collisions at GeV in the Relativistic Vlasov-Uehling-Uhlenbeck model
Kyle Godbey, Zhen Zhang, Jeremy W. Holt +1
Using the isospin-dependent relativistic Vlasov-Uehling-Uhlenbeck (RVUU) model, we study charged pion () production in Au+Au collisions at 2.4 GeV. By fitti…
Comparison of Heavy-Ion Transport Simulations: Mean-field Dynamics in a Box
Maria Colonna, Ying-Xun Zhang, Yong-Jia Wang +26
Within the transport model evaluation project (TMEP) of simulations for heavy-ion collisions, the mean-field response is examined here. Specifically, zero-sound propagation is cons…
Bayesian inference on the isospin splitting of nucleon effective mass from giant resonances in Pb
Zhen Zhang, Xue-Bin Feng, Lie-Wen Chen
From a Bayesian analysis of the electric dipole polarizability, the constrained energy of isovector giant dipole resonance, the peak energy of isocalar giant quadrupole resonance a…
Constraints on the Symmetry Energy from PREX-II in the Multimessenger Era
Tong-Gang Yue, Lie-Wen Chen, Zhen Zhang +1
The neutron skin thickness of heavy nuclei is essentially determined by the symmetry energy density slope at ($ρ_…
Nuclear collective dynamics in transport model with the lattice Hamiltonian method
Rui Wang, Zhen Zhang, Lie-Wen Chen +1
We review the recent progress on studying the nuclear collective dynamics by solving the Boltzmann-Uehling-Uhlenbeck (BUU) equation with the lattice Hamiltonian method treating the…
Constraining the in-medium nucleon-nucleon cross section from the width of nuclear giant dipole resonance
Rui Wang, Zhen Zhang, Lie-Wen Chen +2
We develop a new lattice Hamiltonian method for solving the Boltzmann-Uehling-Uhlenbeck (BUU) equation. Adopting the stochastic approach to treat the collision term and using the G…
Comparison of heavy-ion transport simulations: Collision integral with pions and resonances in a box
Akira Ono, Jun Xu, Maria Colonna +21
We compare ten transport codes for a system confined in a box, aiming at improved handling of the production of resonances and pions, which is indispensable for constraining hi…
Pairing effects on neutron matter equation of state and symmetry energy at subsaturation densities
Zhen Zhang, Lie-Wen Chen
Within the framework of BCS theory and Skyrme-Hartree-Fock model, we employ various microscopic pairing gaps and effective pairing interactions to study pairing effects on the equa…
Nuclear collective dynamics in the lattice Hamiltonian Vlasov method
Rui Wang, Lie-Wen Chen, Zhen Zhang
The lattice Hamiltonian method is developed for solving the Vlasov equation with nuclear mean-field based on the Skyrme pseudopotential up to next-to-next-to-next-to leading order.…
Equation of state of dense matter in the multimessenger era
Ying Zhou, Lie-Wen Chen, Zhen Zhang
While the equation of state (EOS) of symmetric nuclear matter (SNM) at suprasaturation densities has been relatively well constrained from heavy-ion collisions, the EOS of high-den…
Effects of energy conservation on equilibrium properties of hot asymmetric nuclear matter
Zhen Zhang, Che Ming Ko
Based on the relativistic Vlasov-Uehling-Uhlenbeck transport model, which includes relativistic scalar and vector potentials on baryons, we consider a system in a box with…
Comparison of heavy-ion transport simulations: Collision integral in a box
Ying-Xun Zhang, Yong-Jia Wang, Maria Colonna +27
Simulations by transport codes are indispensable to extract valuable physics information from heavy ion collisions. In order to understand the origins of discrepancies between diff…
Nuclear matter fourth-order symmetry energy in non-relativistic mean-field models
Jie Pu, Zhen Zhang, Lie-Wen Chen
Based on systematic analyses of several popular non-relativistic energy density functionals with mean-field approximation, we estimate the value of the fourth-order symmetry energy…
Nuclear dipole polarizability from mean-field modeling constrained by chiral effective field theory
Zhen Zhang, Yeunhwan Lim, Jeremy W. Holt +1
We construct a new Skyrme interaction Skm by fitting the equation of state and nucleon effective masses in asymmetric nuclear matter from chiral two- and three-body forces a…