Gießen 2024 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 72: Poster
HK 72.24: Poster
Donnerstag, 14. März 2024, 17:15–18:45, HBR 14: Foyer
Collective flow measurements with HADES in Ag+Ag collisions at 1.58 AGeV — •Christopher Grimm — Goethe-Universität, Frankfurt am Main
HADES provides a large acceptance combined with a high mass-resolution and therefore allows to study dielectron, hadron and light nuclei production in heavy-ion collisions with unprecedented precision. High statistics measurements of flow coefficients for protons and light nuclei, including 3He and tritons in Ag+Ag collisions at 1.58 AGeV are presented here. The directed (v1) and elliptic (v2) flow components are investigated. All flow coefficients are studied multi-differentially for different centrality classes over a large region of phase space, i.e. as a function of transverse momentum pt and rapidity. We will discuss the scaling properties of the various flow harmonics, which possibly provides information on the production processes of light nuclei, e.g. via coalescence, and puts constraints on the properties of dense matter, such as its viscosity and equation-of-state (EOS).
Keywords: HADES; heavy-ion collisions; flow; coalescence