Münster 2017 – scientific programme
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HK: Fachverband Physik der Hadronen und Kerne
HK 58: Heavy Ion Collisions and QCD Phases XI
HK 58.6: Talk
Friday, March 31, 2017, 15:30–15:45, F 1
Higher-Order Moments of Proton-Number Fluctuations in Au+Au Collisions at 1.23A GeV with HADES — •Melanie Szala for the HADES collaboration — Goethe Universität Frankfurt
Higher-order moments of conserved quantities are predicted to be sensitive to a first order phase transition and especially to a critical point of the QCD phase diagram. Strong fluctuations would indeed modify these moments.
The HADES experiment at GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt measured Au+Au collisions at √sNN = 2.41 GeV in 2012 and thus allows to extend the data taken in the RHIC Beam Energy Scan to lower energies.
In this talk we present investigations of the higher moments of proton and deuteron multiplicity distributions. Our results are compared with published RHIC data.
This work has been supported by BMBF (05P15RFFCA ), GSI and HIC for FAIR.