München 2019 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 4: Heavy-Ion Collisions and QCD Phases I
HK 4.4: Vortrag
Montag, 18. März 2019, 15:00–15:15, HS 15
Multi-differential measurement of correlated pion-proton pairs in Au+Au collisions at √sNN=2.42 GeV with HADES.* — •Georgy Kornakov for the HADES collaboration — TU Darmstadt
The study of hadron formation and their properties in hot and dense QCD matter is one of the main topics in sub-nuclear physics. The short-lived states (∼1 fm/c), produced and decayed within the QCD matter contain fundamental information about the surrounding medium created in collisions of heavy-ions at relativistic energies. HADES measures rare and penetrating probes in the regime of 1-2 GeV kinetic energy per nucleon. Excitation of baryonic resonances is a key mechanism for meson, dilepton and strangeness production. The measured multi-differential spectra of mass, rapidity and transverse momentum of π+p and π−p correlated pairs from Au+Au collisions are going to be presented in this contribution as well as the developed methods for their reconstruction and comparison to previous measurements.
*This work has been supported by the VH-NG-823, Helmholtz Alliance HA216/EMMI and GSI