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• W2956741712 abstract "Cluster and hypernuclei production in heavy-ion collisions is presently under active experimental and theoretical investigation. Since clusters are weekly bound objects, their production is very sensitive to the dynamical evolution of the system and its interactions. The theoretical description of cluster formation is related to the $n$-body problem. Here we present the novel $n$-body dynamical transport approach PHQMD (parton-hadron-quantum-molecular dynamics) which is designed to provide a microscopic description of nuclear cluster and hypernucleus formation as well as of general particle production in heavy-ion reactions at relativistic energies. In contrast to the coalescence or statistical models, often used for the cluster formation, in PHQMD clusters are formed dynamically due to the interactions between baryons described on a basis of quantum molecular dynamics (QMD), which allows one to propagate the $n$-body Wigner density and $n$-body correlations in phase space, essential for the cluster formation. The clusters are identified by the MST (minimum spanning tree) procedure or the SACA (simulated annealing cluster algorithm) which finds the most bound configuration of nucleons and clusters. Collisions among hadrons as well as quark-gluon-plasma formation and parton dynamics in PHQMD are treated in the same way as in the established PHSD (parton-hadron-string dynamics) transport approach. In order to verify our approach with respect to the general dynamics, we present here the first PHQMD results for general ``bulk'' observables such as rapidity distributions and transverse mass spectra for hadrons ($ensuremath{pi},K,overline{K}$, $p$, $overline{p}$, $mathrm{ensuremath{Lambda}}$, $overline{mathrm{ensuremath{Lambda}}}$) from SIS (the GSI heavy ion synchrotron) to RHIC (BNL Relativisitic Heavy Ion Collider) energies. We find a good description of the ``bulk'' dynamics which allows us to proceed with the results on cluster production, including hypernuclei." @default.
• W2956741712 created "2019-07-23" @default.
• W2956741712 creator A5028974605 @default.
• W2956741712 creator A5039217271 @default.
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• W2956741712 creator A5072410256 @default.
• W2956741712 creator A5080576661 @default.
• W2956741712 creator A5086633466 @default.
• W2956741712 date "2020-04-24" @default.
• W2956741712 modified "2023-10-03" @default.
• W2956741712 title "Parton-hadron-quantum-molecular dynamics: A novel microscopic <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mi>n</mml:mi></mml:math> -body transport approach for heavy-ion collisions, dynamical cluster formation, and hypernuclei production" @default.
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