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Related papers: Light clusters production as a probe to the nuclea…

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The clustering of nucleons is a fundamental phenomenon with broad implications for nuclear physics and astrophysics. In this work, we employ a microscopic in-medium few-body approach to systematically investigate the formation and…

Nuclear Theory · Physics 2026-01-14 Qi Meng , Chang Xu

Light nuclei production in heavy-ion collisions serves as a sensitive probe of the QCD phase structure. In coalescence models, triton ($N_t$) and deuteron ($N_d$) yields depend on the spatial separation of nucleon pairs ($\Delta r$) in…

High Energy Physics - Phenomenology · Physics 2025-03-04 Qian-Ru Lin , Yu-Jing Huang , Long-Gang Pang , Xiao-Feng Luo , Xin-Nian Wang

Transverse emission of preequilibrium nucleons, light clusters (complex particles) and charged pions from the isotopic $^{112,124}$Sn+$^{112,124}$Sn reactions at a beam energy of 400\emph{A} MeV, to extract the high-density behavior of…

Nuclear Theory · Physics 2015-06-03 Zhao-Qing Feng

Heavy-ion reactions induced by neutron-rich nuclei provide a unique means to investigate the equation of state of isospin-asymmetric nuclear matter, especially the density dependence of the nuclear symmetry energy. In particular, recent…

Nuclear Theory · Physics 2009-09-29 Lie-Wen Chen , Che Ming Ko , Bao-An Li , Gao-Chan Yong

To explain the production of light nuclei in heavy-ion collisions at extreme energies, we focus on the deuteron case. A Gibbs ensemble at chemical freeze-out is a prerequisite to investigate the non-equilibrium evolution of the expanding…

Nuclear Theory · Physics 2024-02-26 Benjamin Dönigus , Gerd Röpke , David Blaschke

We introduce isospin dependence in the cluster recognition algorithms used in the Quantum Molecular Dynamics model to describe fragment formation in heavy ion collisions. This change reduces the yields of emitted nucleons and enhances the…

Nuclear Theory · Physics 2015-06-05 Yingxun Zhang , Zhuxia Li , Chengshuang Zhou , M. B. Tsang

Role of the isospin asymmetry in nuclei and neutron stars, with an emphasis on the density dependence of the nuclear symmetry energy, is discussed. The symmetry energy is obtained using the isoscalar as well as isovector components of the…

Nuclear Theory · Physics 2007-05-23 D. N. Basu , Tapan Mukhopadhyay

Using an isospin- and momentum-dependent transport model we study effects of the momentum-dependent symmetry potential on heavy-ion collisions induced by neutron-rich nuclei. It is found that symmetry potentials with and without the…

Nuclear Theory · Physics 2008-11-26 Bao-An Li , Champak B. Das , Subal Das Gupta , Charles Gale

The nuclear symmetry energy at densities above saturation density ($\rho_0\sim 0.16 fm^{-3}$) is poorly constrained theoretically and very few relevant experimental data exist. Its study is possible through Heavy Ion Collisions (HIC) at…

Nuclear Theory · Physics 2014-11-20 V. Greco , M. Colonna , M. Di Toro , H. H. Wolter

We measure cross sections for residual nuclide formation in the mass range 6 < A < 97 caused by bombardment with protons and deuterons of 3.65 GeV/nucleon energy of enriched tin isotopes (112-Sn, 118-Sn, 120-Sn, 124-Sn). The experimental…

In high-energy nuclear collisions, the production of light nuclei is sensitive to the temperature and phase-space density of the system at freeze-out. In addition, the phase transition from QGP to the hadronic phase will lead to large…

Nuclear Experiment · Physics 2020-08-26 Dingwei Zhang

The nuclear symmetry energy as a function of density is rather poorly constrained theoretically and experimentally both below saturation density, but particularly at high density, where very few relevant experimental data exist. We discuss…

Nuclear Theory · Physics 2015-05-13 H. H. Wolter , V. Prassa , G. A. Lalazissis , T. Gaitanos , G. Ferini , V. Greco , M. Di Toro

The hyperon dynamics in heavy-ion collisions near threshold energy has been investigated within the quantum molecular dynamics transport model. The isospin and momentum dependent hyperon-nucleon potential and the threshold energy correction…

Nuclear Theory · Physics 2023-10-03 Zhao-Qing Feng

We study the collision energy dependence of (anti-)deuteron and (anti-)triton production in the most central Au+Au collisions at $\sqrt{s_\mathrm{NN}}=$ 7.7, 11.5, 19.6, 27, 39, 62.4 and 200 GeV, using the nucleon coalescence model. The…

Nuclear Theory · Physics 2020-11-04 Wenbin Zhao , Chun Shen , Che Ming Ko , Quansheng Liu , Huichao Song

Using the coalescence model based on the phase-space distributions of protons, neutrons, Lambdas and their antiparticles from a multiphase transport (AMPT) model, we study the production of deuteron, triton, helium 3, hypertriton,…

Nuclear Theory · Physics 2016-01-20 Lilin Zhu , Che Ming Ko , Xuejiao Yin

We show that the recently observed suppression of the yield ratio of deuteron to proton and of helium-3 to proton in p+p collisions compared to those in p+Pb or Pb+Pb collisions by the ALICE Collaboration at the Large Hadron Collider (LHC)…

Nuclear Theory · Physics 2020-05-22 Kai-Jia Sun , Che Ming Ko , Benjamin Dönigus

The production mechanism of light nuclei, such as deuteron, helium-3, tritium and their antiparticles, has recently attracted an increased attention from the astroparticle and heavy ion communities. The expected low astrophysical background…

High Energy Physics - Phenomenology · Physics 2020-12-23 J. Tjemsland

The production mechanism of light nuclei in heavy-ion collisions is vital to understanding the intricate details of nucleon-nucleon interactions. The coalescence of nucleons is a well-known mechanism that attempts to explain the production…

Nuclear Theory · Physics 2024-07-30 Yoshini Bailung , Sudhir Pandurang Rode , Neha Shah , Ankhi Roy

Experimental kinetic energy distributions and small-angle two-particle correlation functions involving deuterons and tritons are compared for 36Ar+ 112,124Sn collisions at E/A = 61 MeV (i.e. for systems similar in size, but with different…

Based on an improved multiphase transport (AMPT) model, which gives a good description of proton production with a smooth quark matter to hadronic matter transition in relativistic heavy ion collisions, we study deuteron and triton…

Nuclear Theory · Physics 2021-06-23 Kai-Jia Sun , Che Ming Ko