On the observation of phase transitions in collisions of elementary matter

  • We investigate the excitation function of directed flow, which can provide a clear signature of the creation of the QGP and demonstrate that the minimum of the directed flow does not correspond to the softest point of the EoS for isentropic expansion. A novel technique measuring the compactness is introduced to determine the QGP transition in relativistic-heavy ion collisions: The QGP transition will lead to higher compression and therefore to higher compactness of the source in coordinate space. This e ect can be observed by pion interferometry. We propose to measure the compactness of the source in the appropriate principal axis frame of the compactness tensor in coordinate space.

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Author:Kerstin Paech, Manuel Reiter, Adrian Bogdan DumitruORCiDGND, Horst StöckerORCiDGND, Walter GreinerGND
Document Type:Preprint
Date of Publication (online):2005/11/23
Year of first Publication:2000
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/11/23
Tag:Quark gluon Plasma; relativistische schwere Ion Kollision
quark gluon plasma; relativistic heavy ion collision
Conference proceedings to CRIS 2000, 3rd Catania Relativistic Ion Studies
Source:Nucl.Phys.A681:41-48,2001. [nucl-th/0007043] , Conference proceedings to CRIS 2000, 3rd Catania Relativistic Ion Studies
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht