Physics and signatures of the quark-gluon plasma

We provide an overview of the present understanding of the transition from hadrons to a quark-gluon plasma, its signatures, and the experimental results so far. We discuss results of numerical simulations of the lattice gauge theory and critically evaluate the various observables that have been proposed as signatures of the QCD phase transition. We place the existing data from relativistic heavy ion experiments at the Brookhaven AGS and CERN SPS into perspective and provide an overview of the techniques and strategies that will be employed in the search for the quark-gluon plasma at heavy ion colliders, such as RHIC and the LHC.

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“…We will therefore concentrate on the most promising ones. More details can be found elsewhere [61,62,63,64].…”

Section: Plasma Signaturesmentioning

confidence: 99%

The Search for the Quark-Gluon Plasma

Harris

Müller

1996

Annu. Rev. Nucl. Part. Sci.

332

308

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“…The only possibility to study this transition and the properties of the high-temperature phase of nuclear matter, the so-called quark-gluon plasma (QGP) [2], under laboratory conditions is via relativistic heavy-ion collision experiments [3].…”

Section: Introductionmentioning

confidence: 99%

Kaon interferometry as signal for the QCD phase transition at RHIC

Bernard¹,

Rischke²,

Maruhn³

et al. 1997

Nuclear Physics A

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Pion and kaon correlations in relativistic nuclear collisions are studied in the framework of boost-invariant, cylindrically symmetric hydrodynamics. It is investigated how the inverse widths, R out , R side , of the two-particle correlation functions in out-and side-direction depend on the average transverse momentum K ⊥ of the particle pair, the initial energy density ǫ 0 , and the equation of state of the system. The QCD transition leads to a time delay in the expansion of the system and consequently to an enhancement of the ratio R out /R side . This time-delay signal is found to be particularly strong for large average transverse momenta K ⊥ ∼ 1 GeV and initial energy densities accessible at RHIC, ǫ 0 ∼ 10 − 20 GeV fm −3 . Neutral kaon pair correlation functions, which are not influenced by final state Coulomb effects and less contaminated by resonance decays than pion correlation functions, seem to be the ideal tool to detect this collective time-delay signature of the QCD transition. † Supported by DFG, BMBF, GSI, and DOE.

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“…With the accumulation of data from Large Hadron Collider experiments, we have several published experimental results indicating formation of hot and dense nuclear matter commonly called quark gluon plasma(QGP) [1][2][3][4]. Various signatures like jet quenching, elliptic flow etc.…”

Section: Introductionmentioning

confidence: 99%

Azimuthal correlations of D-mesons in p+p and p+Pb collisions at LHC energies

et al. 2017

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We study the correlations of D mesons produced in p+p and p+Pb collisions. These are found to be sensitive to the effects of the cold nuclear medium and the transverse momentum (p T ) regions we are looking into. In order to put this on a quantitative footing, as a first step we analyse the azimuthal correlations of D meson-charged hadron(Dh), and then predict the same for D meson -anti D meson (DD) pairs in p+p and p+Pb collisions with strong coupling at leading order O(α 2 s ) and next to leading order O(α 3 s ) which includes space-time evolution (in both systems), as well cold nuclear matter effects (in p+Pb). This also sets the stage and baseline for the identification and study of medium modification of azimuthal correlations in relativistic collision of heavy nuclei at the Large Hadron Collider.

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Physics and signatures of the quark-gluon plasma

Cited by 93 publications

References 390 publications

The Search for the Quark-Gluon Plasma

The Search for the Quark-Gluon Plasma

Kaon interferometry as signal for the QCD phase transition at RHIC

Azimuthal correlations of D-mesons in p+p and p+Pb collisions at LHC energies

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