Bochum 2018 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 47: Heavy Ion Collisions and QCD Phases VIII
HK 47.3: Vortrag
Donnerstag, 1. März 2018, 15:00–15:15, HZO 80
Can Baryon Stopping be understood within the String Model? — •Justin Mohs1,2, Sangwook Ryu1, and Hannah Petersen1,2 — 1Frankfurt Institute for Advanced Studies, Frankfurt, Germany — 2Institute für Theoretische Physik, Goethe Universität, Fankfurt, Germany
Baryon stopping, experimentally established by the changing shape of net-proton rapidity distributions as a function of beam energy, is still lacking a proper theoretical understanding. In this work, baryon stopping in heavy ion collisions is investigated. In a hadronic transport approach the colliding nucleons form a string, which fragments, producing new hadrons. From the comparison with data, it is possible to fix parameters of the string model (for example the formation time of the produced hadrons) and to find out whether baryon stopping can be described within the string model or other mechanisms are needed.