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Related papers: Antiproton production in heavy-ion collisions at s…

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Reaction dynamics in collisions of antiprotons on nuclei is investigated within the Lanzhou quantum molecular dynamics model. The reaction channels of elastic scattering, annihilation, charge exchange and inelastic collisions of antiprotons…

Nuclear Theory · Physics 2015-05-21 Zhao-Qing Feng

The inclusive spectra of preequilibrium nucleons produced in low-energy antiproton-nucleus collisions are thoroughly investigated within the framework of the Lanzhou quantum molecular dynamics model for the first time. All possible reaction…

Nuclear Theory · Physics 2017-09-20 Zhao-Qing Feng

Antiproton production in Ni+Ni collisions at 1.85 GeV/nucleon is studied in the relativistic Vlasov-Uehling-Uhlenbeck model. The self-energies of the antiproton are determined from the nucleon self-energies by the G-parity transformation.…

Nuclear Theory · Physics 2009-09-25 G. Q. Li , C. M. Ko

We study the structure of antiproton spectra at extreme subthreshold bombarding energies using a thermodynamic picture. Antiproton production processes and final state interactions are discussed in detail in order to find out what can be…

High Energy Physics - Phenomenology · Physics 2007-05-23 Richard Wittmann , Ulrich Heinz

Formation mechanism of fragments with strangeness in collisions of antiprotons on nuclei has been investigated within the Lanzhou quantum molecular dynamics (LQMD) transport approach combined with a statistical model (GEMINI) for describing…

Nuclear Theory · Physics 2016-07-22 Zhao-Qing Feng

The quantum molecular dynamics model has been improved to investigate the reaction dynamics induced by antiprotons. The reaction channels of elastic scattering, annihilation, charge exchange and inelastic collisions have been included in…

Nuclear Theory · Physics 2015-06-19 Zhao-Qing Feng , Horst Lenske

The production of antiprotons in proton-nucleus and nucleus-nucleus reactions is calculated within the relativistic BUU approach employing proper selfenergies for the baryons and antiprotons and treating the p-bar annihilation…

Nuclear Theory · Physics 2009-10-22 Stefan Teis , Wolfgang Cassing , Tomoyuki Maruyama , Ulrich Mosel

The relativistic mean field approach by distinguishing \com{the slope of symmetry energy} is implemented into the Lanzhou quantum molecular dynamics transport model (LQMD.RMF). The collective flows in the isotopic nuclear reactions are…

Nuclear Theory · Physics 2023-02-21 Si-Na Wei , Zhao-Qing Feng

Within the framework of the Lanzhou quantum molecular dynamics (LQMD) transport model, pion dynamics in heavy-ion collisions near threshold energies and the emission of preequilibrium particles (nucleons and light complex fragments) have…

Nuclear Theory · Physics 2017-02-16 Zhao-Qing Feng

Dynamics of strange particles produced in proton induced nuclear reactions near threshold energies has been investigated within the Lanzhou quantum molecular dynamics (LQMD) transport model. The in-medium modifications on particle…

Nuclear Theory · Physics 2016-07-22 Zhao-Qing Feng

We calculate the subthreshold production of antiprotons in the Lorentz-covariant RBUU approach employing a weighted testparticle method to treat the antiproton propagation and absorption nonperturbatively. We find that the pbar differential…

Nuclear Theory · Physics 2009-09-25 Stefan Teis , Wolfgang Cassing , Tomoyuki Maruyama , Ulrich Mosel

Motivated by the last experimental and theoretical advances in the analysis of possible baryonium resonances, the $X(1835)$ and their partners, we perform a constituent-quark-model based coupled-channels calculation of the proton-antiproton…

High Energy Physics - Phenomenology · Physics 2024-10-17 P. G. Ortega , D. R. Entem , F. Fernandez , J. Segovia

The main properties of the interaction of ultra low-energy antiprotons ($% E\le10^{-6}$ a.u.) with atomic hydrogen are established. They include the elastic and inelastic cross sections and Protonium (Pn) formation spectrum. The inverse…

Atomic Physics · Physics 2009-10-31 A. Yu. Voronin , J. Carbonell

Data from KEK on subthreshold antiproton as well as on pi(+-) and K(+-) production in proton-nucleus reactions are described at projectile energies between 3.5 and 12.0 GeV. We use a model which considers a hadron-nucleus reaction as an…

Nuclear Theory · Physics 2008-11-26 V. I. Komarov , H. Mueller , A. Sibirtsev

We study the possibility of producing a new kind of nuclear systems which in addition to ordinary nucleons contain a few antibaryons (antiproton, antilambda, etc.). The properties of such systems are described within the relativistic…

Nuclear Theory · Physics 2009-11-10 I. N. Mishustin , L. M. Satarov , T. J. Buervenich , H. Stoecker , W. Greiner

One of the striking features of particle production at high beam energies is the near equal abundance of matter and antimatter in the central rapidity region. In this paper we study how this symmetry is reached as the beam energy is…

High Energy Physics - Phenomenology · Physics 2015-05-28 J. Cleymans , S. Kabana , I. Kraus , H. Oeschler , K. Redlich , N. Sharma

The exclusive production of hyperon-antihyperon pairs close to their production threshold in antiproton - nucleus collisions offers a unique and hitherto unexplored opportunity to elucidate the behaviour of antihyperons in nuclei. For the…

Nuclear Theory · Physics 2015-09-30 Alicia Sanchez Lorente , Sebastian Bleser , Marcell Steinen , Josef Pochodzalla

In these proceedings, an overview of recent hypernuclei measurements in heavy ion collisions is presented. These results include the lifetime, $\Lambda$ binding energy, production yield, and directed flow in heavy ion collisions. These…

Nuclear Experiment · Physics 2022-04-05 Yue Hang Leung

We study antikaon flow in heavy-ion collisions at SIS energies based on the relativistic transport model (RVUU 1.0). The production of antikaons from both baryon-baryon and pion-baryon collisions are included. Taking into account only…

Nuclear Theory · Physics 2009-09-25 G. Q. Li , C. M. Ko

Recently it has been shown that the observed antiproton yield in heavy-ion collisions at CERN-SpS energies can be understood by multi-pionic interactions which enforce local chemical equilibrium of the antiprotons with the nucleons and…

Nuclear Theory · Physics 2009-11-06 Carsten Greiner , Stefan Leupold
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