August 23, 2021 to October 7, 2021
Venue: OAC conference center, Kolymbari, Crete, Greece. Participation is possible also via internet.
Europe/Athens timezone

How clusters can survive in the expanding fireball in heavy ion collisions

Aug 26, 2021, 11:30 AM
30m
Room 1

Room 1

Speaker

Joerg Aichelin (Subatech/CNRS)

Description

“Ice in fire” is called the phenomenon that in heavy ion collisions at midrapidity clusters have been observed. Their existence is unexpected because objects with a small binding energy (ice) with respect to the temperature of the expanding fireball (fire) should not be formed at all. Applying the recently advanced PHQMD model, which unites the n-body dynamics of nucleons with the collision integrals and the description of the QGP of the PHSD model we studied the formation of clusters and find that from a kinetic energy of 1.5 AGeV until a center of mass energy of 200 GeV the process of cluster formation is rather similar. We compare our results with the available data and investigate in detail how the cluster survive the expansion of the fireball at midrapidity.

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Primary authors

Christoph Blume (Goethe University Frankfurt (DE)) Joerg Aichelin (Subatech/CNRS) Elena Bratkovskaya (GSI, Darmstadt) Gabriele Coci (GSI - Hemohilzzentrum für Schwerionenforschung GmbH) Mr Michael Winn (Subatech) Susanne Gläßel Vadim Kolesnikov (Joint Institute for Nuclear Research (RU)) Viktar Kireyeu (Joint Institute for Nuclear Research (RU))

Presentation materials