Abstract
Recent results from heavy ion collision experiments from RHIC at BNL are presented and discussed in terms of Quark Gluon Plasm properties, such as partonic collectivity and partonic energy loss. The experimental results with direct photons and heavy quarks have given important additional insights of the plasma on top of what has been known with light hadrons. Higher order event anisotropies and the related results have provided the geometrical, temporal and dynamical information of the plasma. The beam energy dependence of the various measurements could reveal the structure of QCD phase diagram and possibly the critical point in the diagram, where the properties of phase transition are expected to change drastically.
Highlights
IntroductionQuark Gluon Plasma (QGP), which is supposed to exist in early universe or inside neutron stars, is currently beiantg√sstNudNie=d with high 200 AGeV energy nucleus-nucleus collisions in Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory (BNL) and at
Quark Gluon Plasma (QGP), which is supposed to exist in early universe or inside neutron stars, is currently beiantg√sstNudNie=d with high 200 AGeV energy nucleus-nucleus collisions in Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory (BNL) and at2.76 AT eV in Large Hadron Collider (LHC) at EuropeanOrganization for Nuclear Study (CERN)
A large elliptic event anisotropy and its quark number scaling as well as a large partonic energy loss of high pT hadrons and jets have been observed at RHIC energies and they are considered as possible indications of QGP
Summary
Quark Gluon Plasma (QGP), which is supposed to exist in early universe or inside neutron stars, is currently beiantg√sstNudNie=d with high 200 AGeV energy nucleus-nucleus collisions in Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory (BNL) and at. A large elliptic event anisotropy and its quark number scaling as well as a large partonic energy loss of high pT hadrons and jets have been observed at RHIC energies and they are considered as possible indications of QGP. The properties of QGP at higher temperature region in QCD phase diagram are further investigated at the highest energy in the world at LHC, while the beam energy scan program is in progress at RHIC in order to find a signature from the critical point, which is expected at higher density in the phase diagram. The recent results from RHIC (STAR and PHENIX experiments) with direct photons and heavy quarks are discussed in Sect., the higher order event anisotropies and their related topics are discussed in Sect. and some selected results from beam energy scan program are discussed in Sect.
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