München 2019 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 58: Heavy-Ion Collisions and QCD Phases X
HK 58.1: Gruppenbericht
Freitag, 22. März 2019, 14:00–14:30, HS 15
SMASH: A New Hadronic Transport Approach — •Anna Schäfer1,2 and Hannah Elfner3,1,2 — 1Frankfurt Institute for Advanced Studies, D-60438 Frankfurt am Main, Germany — 2Institut für Theoretische Physik, Goethe-Universität, D-60438 Frankfurt am Main, Germany — 3GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Transport approaches are very successfully applied for the microscopic description of matter in and out of equilibrium. Hadronic transport approaches are particularly useful to describe low-energy heavy ion collisions as well as the late, dilute stages of high-energy collisions. In this talk, an overview of SMASH (Simulating Many Accelerated Strongly-interacting Hadrons), a novel and open-source hadronic transport approach is presented. First, the underlying concepts and assumptions are introduced before their functionality is verified in a number of test setups. Among those are comparisons to an analytic solution of the Boltzmann equation and to experimentally known cross section data. Finally, SMASH results for transport coefficients, electromagnetic probes, particle spectra and elliptic flow are presented and, where applicable, confronted with experimental data. It is further demonstrated that while the results agree well with those of existing transport codes, SMASH also provides new opportunities to investigate the properties of strongly interacting matter.