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Finite temperature lattice QCD indicates that the charmonium ground state J/ψ can survive in a quark-gluon plasma up to 1.5 Tc or more, while the excited states χc and ψ are dissociated just above Tc. We assume that the χc suffers the same form of suppression as that observed for the ψ in SPS experiments, and that the directly produced J/ψ is unaffected at… (More)

- Helmut Satz
- 2005

At high temperatures, strongly interacting matter becomes a plasma of deconfined quarks and gluons. In statistical QCD, deconfinement and the properties of the resulting quarkgluon plasma can be investigated by studying the in-medium behaviour of heavy quark bound states. In high energy nuclear interactions, quarkonia probe different aspects of the medium… (More)

- Helmut Satz
- 2000

QCD predicts that strongly interacting matter will undergo a transition from a state of hadronic constituents to a plasma of unbound quarks and gluons. We first survey the conceptual features of this transition and its description in finite temperature lattice QCD, before we address its experimental investigation through high energy nucleus-nucleus… (More)

- Helmut Satz
- 2002

An essential prerequisite for quark-gluon plasma production in nuclear collisions is cross-talk between the partons from different nucleons in the colliding nuclei. The initial density of partons is determined by the parton distribution functions obtained from deep inelastic lepton-hadron scattering and by the nuclear geometry; it increases with increasing… (More)

- N. Macris, JD Capra, Gladys J Frankel, Harry L. Ioachim, Helmut Satz, Merle Bruno
- The American journal of medicine
- 1970

- Anton Andronic, François Arleo, +53 authors Peina Zhuang
- 2016

This report reviews the study of open heavyflavour and quarkonium production in high-energy hadronic collisions, as tools to investigate fundamental aspects of Quantum Chromodynamics, from the proton and nucleus structure at high energy to deconfinement and the properties of the Quark–Gluon Plasma. Emphasis is given to the lessons learnt from LHC Run 1… (More)

- Helmut Satz
- 2000

At high temperatures or densities, hadronic matter shows different forms of critical behaviour: colour deconfinement, chiral symmetry restoration, and diquark condensation. I first discuss the conceptual basis of these phenomena and then consider the description of colour deconfinement in terms of symmetry breaking, through colour screening and as… (More)

About 40-50 % of the quarkonium ground states J/ψ(1S) and Υ(1S) produced in hadronic collisions originate from the decay of higher excitations. In a hot medium, these higher states are dissociated at lower temperatures than the more tightly bound ground states, leading to a sequential suppression pattern. Using new finite temperature lattice results, we… (More)

- Helmut Satz
- 2006

In statistical QCD, the thermal properties of the quark-gluon plasma can be determined by studying the in-medium behaviour of heavy quark bound states. The results can be applied to quarkonium production in high energy nuclear collisions, if these indeed form a fully equilibrated QGP. Modifications could arise if an initial charm excess persists in the… (More)

- Helmut Satz
- 2004

During the past fifty years, our concept of an elementary particle has undergone a fundamental change. Today we understand hadrons as bound states of quarks, and thus as composite. In strong interaction physics, quarks have become the smallest building blocks of nature. But the binding force between quarks confines them to their hadron, which cannot be… (More)