SMuK 2023 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 47: Heavy-Ion Collisions and QCD Phases X
HK 47.1: Vortrag
Mittwoch, 22. März 2023, 17:30–17:45, SCH/A315
Light Nuclei Emission in Ag+Ag Collisions — •Marvin Nabroth for the HADES collaboration — Institut fuer Kernphysik, Frankfurt, Deutschland
This contribution gives an overview of data on protons, deuterons and He3, emitted in Ag+Ag collisions at √sNN = 2.55 GeV measured at HADES. Covered is the procedure of particle identification based on a Bayesian ansatz as well as the process of acceptance and efficiency correction and extrapolation into uncovered phase space regions. The reconstructed transverse mass spectra and resulting rapidity density distributions as a function of the collision centrality are presented and a comparison of the 4π yield to the world data in the low energy regime, as a function of collision energy, is discussed.
Detailed knowledge of the production yields and phase space spectra is of special interest when it comes to test to what extent thermal models can describe the nature of a heavy-ion collision in the low-energy regime and to understand the mechanisms under which light nuclei are formed during a heavy-ion collision.
This work has been supported by BMBF (05P21RFFC2), GSI F&E and HGS-HIRe.