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HK: Fachverband Physik der Hadronen und Kerne

HK 35: Heavy-Ion Collisions and QCD Phases VIII

HK 35.2: Vortrag

Mittwoch, 1. April 2020, 17:00–17:15, J-HS G

Deuteron production in Au-Au collisions at 1.23A GeV in SMASH — •Martha Ege^{2, 3}, Justin Mohs^{1, 2, 3}, and Hannah Elfner^{1, 2, 3} — ¹GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt — ²Institute for Theoretical Physics, Goethe University Frankfurt am Main — ³Frankfurt Institute for Advanced Studies, Frankfurt am Main

For nuclear physics it is of big interest to get a better understanding about how light nuclei are formed in heavy-ion collisions. In this work we investigate the production of deuterons at E_lab=1.23A GeV. We study light nuclei production in the framework of a hadronic transport approach called SMASH. In this approach deuterons are implemented as degrees of freedom. This approach has been successfully applied in an afterburner calculation at LHC energies. In this work, the exact same approach is applied to low beam energy collisions, where the whole evolution is described with hadronic transport approaches. We investigate the dynamics of the produced deuterons by calculating flow coefficients and spectra and compare them to the results for protons under the same conditions. For comparison the same calculations are performed using coalescence instead of propagating the deuteron in SMASH. The results are compared to recent experimental data from the HADES collaboration. The most important reactions for deuteron production are determined.