Darmstadt 2016 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 10: Heavy Ion Collision and QCD Phases III

HK 10.6: Vortrag

Montag, 14. März 2016, 18:00–18:15, S1/01 A01

Reconstruction of the Δ(1232) resonance in AuAu collisions at 1.23 AGeV with HADES — •Georgy Kornakov — Technische Universität Darmstadt

Direct reconstruction of the Δ(1232) resonance via its decay into charged hadrons, together with higher Δ excited states and N* may provide insights into the mechanisms of sub-threshold particle production and fix better sources contributing to the di-leptons at freeze-out. Here we present the analysis of the inclusive spectra of π^±p measured in Au+Au collisions at 1.23 AGeV by HADES. The yield, mass and width of resonance structures as a function of transverse momentum, rapidity and its dependence with centrality will be discussed.

This work has been supported by VH-NG-823, Helmholtz Alliance HA216/EMMI and GSI