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HK: Fachverband Physik der Hadronen und Kerne
HK 44: Heavy-Ion Collisions and QCD Phases XI
HK 44.2: Vortrag
Donnerstag, 2. April 2020, 14:30–14:45, J-HS G
Predictions for particle production in Ag+Ag collisions at Ekin=1.58A GeV from a hadronic transport approach — •Natey Kübler1,2, Jan Staudenmaier1,2, and Hannah Elfner3,2,1 — 1Frankfurt Institute for Advanced Studies, Ruth-Moufang-Straße 1, 60438 Frankfurt am Main — 2Goethe University, Max-von-Laue-Strasse 1, 60438 Frankfurt am Main — 3GSI Helmholtzzentrum für Schwerionenforschung, Planckstr. 1, 64291 Darmstadt
The production of particles in heavy ion collisions is of great importance to inspect the properties and dynamics of hadronic matter. As part of the HADES experiment at GSI Ag+Ag collisions at beam energies of 1.58A GeV have been performed in spring 2019. In the light of these experimental studies this work provides a theoretical prediction of the expected results. The hadronic transport approach SMASH (Simulating Many Accelerated Strongly-interacting Hadrons) is applied in order to predict the production of particles (protons, pions, kaons) and their respective distributions in phase space. A special focus is given to the production rates of φ mesons and Ξ− baryons and their agreement with recent HADES data. In addition to the analysis of multiplicities and rapidity spectra, the mean transverse masses for different centrality classes are explored. In this context the hadronic spectra are confronted with earlier HADES results for Au+Au and C+C collisions in order to study the system size dependence. Furthermore, predictions for the invariant mass spectra of dielectron emission are provided.