Fireball dynamics in relativistic and ultrarelativistic nuclear collisions

Objetivo

Relativistic and ultrarelativistic heavy-ion collisions provide the system where nuclear matter can be created and probed under extreme conditions. Studies of properties of the matter under such conditions are complicated because the fireball produced in s uch conditions evolves rapidly. The energy density is highest at the beginning of the fireball evolution, and this is the situation one ultimately wants to study. On the other hand, the observed distributions of hadrons reflect the state of the system at a later time when density is low and hadrons can decouple. The final state results from the dynamical evolution of the fireball. In order to identify signatures of any novel state of matter in hadronic observables, we must understand how different scenarios of fireball evolution would influence the observed data. This is the general focus of the proposed project: to achieve better theoretical understanding of fireball dynamics and its impact on hadronic observables. In the individual objectives we shall: con struct a new parametrisation of the freeze-out and make a global analysis of all spectra and HBT correlations; study the evolution of the pion phase-space density; investigate non-equilibrium mechanisms of flow formation and phase transition; study interfe rometric methods of source measurement (femtoscopy).

Coordinador

USTAV JADERNE FYZIKY AV CR, REZ

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Rez
Rez (prague)
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Aportación de la UE

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