منابع مشابه
The physics of the QCD critical point
The physics of the QCD critical point – p. 1/32 Outline Introduction: QCD phase diagram and heavy ion collisions.
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We investigate the possibility to observe the QCD critical point in A + A collisions at the SPS. Guided by the QCD phase diagram expressed in experimentally accessible variables we suggest that the process C +C at 158 GeV /n freezes out very close to the critical point. We perform an analysis of the available preliminary experimental data for a variety of SPS processes. The basic tool in our ef...
متن کاملHow to Find the Qcd Critical Point
The event-by-event fluctuations in heavy ion collisions carry information about the thermodynamic properties of the hadronic system at the time of freeze-out. By studying these fluctuations as a function of varying control parameters, such as the collision energy, it is possible to learn much about the phase diagram of QCD. As a timely example, we stress the methods by which present experiments...
متن کاملToward Identifying the QCD Critical Point: attenuation of the sound mode around the critical point
Motivated by the fact that QCD critical point (CP) belongs to the same universality class as the liquid-gas transition, the dynamical density fluctuations around the CP is analyzed using relativistic fluid dynamics for a viscous fluid. It is shown that relativistic effects on the dynamical structure factor of the density fluctuation appears only in the width of the sound and thermal modes throu...
متن کاملHydrodynamic Evolution Near QCD Critical Point
Hydrodynamics is usually adequate to describe the collective flow phenomena in macroscopic systems where thermodynamical relations are valid locally. Surprisingly enough, sometimes the hydrodynamical description is also useful as a model to describe the collective phenomena in microscopic and semi-microscopic systems. In fact, the collective flow behavior of hot, dense matter produced in relati...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 2003
ISSN: 0370-2693
DOI: 10.1016/s0370-2693(03)00654-3