CPOD International Workshop at GSI Darmstadt
July 9 - 13, 2007 -
Registered Participants Information

Title:	Prof.
Last Name:	Bleicher
First Name:	Marcus
E-Mail:	bleicherth.physik.uni-frankfurt.de
Affiliation for Badge:	Universität Frankfurt
Institute:
Address (Street):	Max von Laue - Strasse 1
Postal Code, City:	60386 Frankfurt
Country:	Germany
Phone:
Fax:
Arrival Date:	July 9
Departure Date:	July 13
Hotel Information:	Others...
Payment:	Bank transfer to GSI
Contribution
Author(s):	Marcus Bleicher, Stephane Haussler
Institute(s):	Univ. Frankfurt
Title:	The Effect of Dynamical Parton Recombination on Event-by-Event Observables
Abstract:	Within a dynamical quark recombination model we explore various proposed event-by-event observables sensitive to the microscopic structure of the QCD-matter created at RHIC energies. Charge fluctuations, charge transfer fluctuations and baryon-strangeness correlations are computed for central Au+Au events from FAIR to RHIC energies. We find that for all explored observables, the calculations yield the values predicted for a quark-gluon plasma only at early times of the evolution, whereas the final state approaches the values expected for a hadronic gas. We argue that the recombination-like hadronization process itself is responsible for the disappearance of the predicted deconfinement signatures. This might explain why no fluctuation signatures for the transition between quark and hadronic matter was ever observed in the experimental data up to now. However, it might also be interpreted as a clear indication for a recombination like hadronization process.