47 Song, Taesoo Tolos, Laura Wirth, Joana Aichelin, Joerg Bratkovskaya, Elena TES FHF In-medium effects in strangeness production in heavy-ion collisions at (sub-) threshold energies The European physical journal / Web of Conferences 19th International Conference on Strangeness in Quark Matter The European physical journal / Web of Conferences EDP Sciences Les Ulis Online, United States 2100-014X 10.1051/epjconf/202225913002 English 13002 259 We study the in-medium effects in strangeness production in heavyion collisions at (sub-)threshold energies based on the microscopic Parton-Hadron-String Dynamics (PHSD) transport approach. The in-medium modifications of the antikaon properties are described via the self-consistent coupledchannel unitarized scheme based on a SU(3) chiral Lagrangian while the inmedium modification of kaons are accounted via the kaon-nuclear potential, which is assumed to be proportional to the local baryon density. We find that the modifications of (anti)kaon properties in nuclear matter are necessary to explain the experimental data in heavy-ion collisions. This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 ; energy: threshold heavy ion: scattering strangeness: production baryon: density effective Lagrangian: chiral unitarity SU(3) transport theory nuclear matter numerical calculations Journal Article 2022 2021-05-17 - 2021-05-22 GSI-2022-01004 2021-05-17 - 2021-05-22 2022 https://repository.gsi.de/record/250655 https://doi.org/10.1051/epjconf/202225913002