An overview of the experimental study of quark–gluon matter in high-energy nucleus–nucleus collisions

Andronic, A.

doi:10.1142/s0217751x14300476

Cited by 77 publications

(102 citation statements)

References 254 publications

(302 reference statements)

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“…This may very well be the reason why the freeze out parameters extracted from lattice agree rather well with those from an analysis based on an uncorrelated hadron resonance gas [25].…”

Section: Pos(cpod2014)001supporting

confidence: 63%

Exploring the QCD Phase Diagram

Koch¹

2015

Proceedings of 9th International Workshop on Critical Point and Onset of Deconfinement — PoS(CPOD2014)

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In this contribution we will address a few selected topics concerning the search for a phase structure in the QCD phase diagram. We will extract some constraints for model calculations from basic consideration about the QCD phase diagram. We will also discuss to what extent lattice calculations may be compared to measurements, and what the necessary corrections will be. Finally we will address the dynamics associated with the spinodal break up due to a first order phase transition.

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“…This may very well be the reason why the freeze out parameters extracted from lattice agree rather well with those from an analysis based on an uncorrelated hadron resonance gas [25].…”

Section: Pos(cpod2014)001supporting

confidence: 63%

Exploring the QCD Phase Diagram

Koch¹

2015

Proceedings of 9th International Workshop on Critical Point and Onset of Deconfinement — PoS(CPOD2014)

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“…The ongoing program of relativistic heavy-nuclei collisions at particle accelerators provides much experimental information about strongly interacting matter under extreme conditions of temperature and/or density [1]. Most strikingly, it shows that, at temperatures T ≳160 MeV, a new state of matter exists, in which color charges are deconfined and chiral symmetry gets restored: the quark-gluon plasma (QGP) [2].…”

Section: Introductionmentioning

confidence: 99%

Excluded-volume effects for a hadron gas in Yang-Mills theory

et al. 2017

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When the multiplicities of particles produced in heavy-ion collisions are fitted to the hadron-resonancegas model, excluded-volume effects play a significant role. In this work, we study the impact of such effects on the equation of state of pure Yang-Mills theory at low temperatures, comparing the predictions of the statistical model with lattice results. In particular, we present a detailed analysis of the SU(2) and SU(3) Yang-Mills theories: we find that, for both of them, the best fits to the equilibrium thermodynamic quantities are obtained when one assumes that the volume of different glueball states is inversely proportional to their mass. The implications of these findings for QCD are discussed.

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“…These findings are derived from the observation of elliptic flow [12][13][14][15][16], electromagnetic spectra [17,18], quarkonium melting [19][20][21][22][23][24][25][26], enhanced strangeness production [27][28][29][30][31][32] and jet quenching [33][34][35][36][37][38][39][40][41][42][43][44]; for a very recent review, see ref. [45].…”

Section: Introductionmentioning

confidence: 99%

Exceptional thermodynamics: the equation of state of G2 gauge theory

Bruno

Caselle

Panero

et al. 2015

J. High Energ. Phys.

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We present a lattice study of the equation of state in Yang-Mills theory based on the exceptional G 2 gauge group. As is well-known, at zero temperature this theory shares many qualitative features with real-world QCD, including the absence of colored states in the spectrum and dynamical string breaking at large distances. In agreement with previous works, we show that at finite temperature this theory features a first-order deconfining phase transition, whose nature can be studied by a semi-classical computation. We also show that the equilibrium thermodynamic observables in the deconfined phase bear striking quantitative similarities with those found in SU(N ) gauge theories: in particular, these quantities exhibit nearly perfect proportionality to the number of gluon degrees of freedom, and the trace anomaly reveals a characteristic quadratic dependence on the temperature, also observed in SU(N ) Yang-Mills theories (both in four and in three spacetime dimensions). We compare our lattice data with analytical predictions from effective models, and discuss their implications for the deconfinement mechanism and high-temperature properties of strongly interacting, non-supersymmetric gauge theories. Our results give strong evidence for the conjecture that the thermal deconfining transition is governed by a universal mechanism, common to all simple gauge groups.

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An overview of the experimental study of quark–gluon matter in high-energy nucleus–nucleus collisions

Abstract: An overview is given on the experimental study of quark-gluon matter produced in relativistic nucleus-nucleus collisions, with emphasis on recent measurements at the Large Hadron Collider.

Cited by 77 publications

References 254 publications

Exploring the QCD Phase Diagram

Exploring the QCD Phase Diagram

Excluded-volume effects for a hadron gas in Yang-Mills theory

Exceptional thermodynamics: the equation of state of G2 gauge theory

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