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Dynamical cluster and hypernuclei production in heavy-ion collisions

  • We study light cluster and hypernuclei production in heavy-ion collisions from SIS to RHIC energies based on the n-body dynamical transport approach PHQMD (Parton-Hadron-Quantum-Molecular-Dynamics). In PHQMD clusters are formed dynamically due to the interactions between baryons described on the basis of Quantum Molecular Dynamics (QMD) which allows to propagate the n-body Wigner density and n-body correlations in phase-space, which is essential for the cluster formation. The clusters are identified by the MST (Minimum Spanning Tree) or the SACA (‘Simulated Annealing Cluster Algorithm’) 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 PHSD (Parton-Hadron-String-Dynamics) transport approach. We study the time evolution of the cluster formation in the expanding medium and the stability of the clusters. We present a comparison of the PHQMD results for d, 3He as well as for the hypernuclei with experimental data.

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Metadaten
Author:Susanne Gläßel, Viktar A. KireyeuORCiD, Vadim VoronyukORCiD, Jörg AichelinORCiDGND, Christoph BlumeORCiDGND, Elena BratkovskayaORCiDGND, Gabriele CociORCiD, Vadim I. KolesnikovORCiD, Michael WinnORCiDGND
URN:urn:nbn:de:hebis:30:3-717886
DOI:https://doi.org/10.1051/epjconf/202225911003
ISSN:2100-014X
Parent Title (English):EPJ Web of Conferences
Publisher:EDP Sciences
Place of publication:Les Ulis
Document Type:Article
Language:English
Date of Publication (online):2022/02/01
Date of first Publication:2022/02/01
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Contributing Corporation:International Conference of Strangeness in Quark Matter (19. : 2021 : Online)
Release Date:2023/03/02
Volume:259
Issue:11003
Page Number:4
HeBIS-PPN:507192265
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 4.0