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Related papers: Quarkonium above deconfinement as an open quantum …

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By using the finite temperature quantum field theory, we calculate the finite temperature effective potential and extend the improved quark mass density-dependent model to finite temperature. It is shown that this model can not only…

Nuclear Theory · Physics 2008-11-26 Chen Wu , Ru-Keng Su

Production of heavy quark antiquark systems in high energy heavy ion collisions must involve relativistic momentum components in a quantum mechanical approach. If the color forces are screened in a deconfining medium, one can define the…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. L. Thews

Recent open quantum system studies showed that quarkonium time evolution inside the quark-gluon plasma is determined by transport coefficients that are defined in terms of a gauge invariant correlator of two chromoelectric field operators…

High Energy Physics - Phenomenology · Physics 2024-10-22 Bruno Scheihing-Hitschfeld , Xiaojun Yao

Rapid thermalization in ultra-relativistic heavy-ion collisions leads to fast changing potential between a heavy quark and antiquark from zero temperature potential to the finite temperature one. Time dependent perturbation theory can then…

High Energy Physics - Phenomenology · Physics 2015-10-13 Partha Bagchi , Ajit M. Srivastava

The quark-hadron transition that happens in ultra-relativistic heavy-ion collisions is expected to be influenced by the effects of rotation and magnetic field, both present due to the geometry of a generic non-head-on impact. We augment the…

High Energy Physics - Phenomenology · Physics 2023-10-12 Gaurav Mukherjee , D. Dutta , D. K. Mishra

We derive equations of motion for the reduced density matrix of a heavy quarkonium in contact with a quark-gluon plasma in thermal equilibrium. These equations allow in particular a proper treatment of the regime when the temperature of the…

High Energy Physics - Phenomenology · Physics 2018-10-17 Jean-Paul Blaizot , Miguel Angel Escobedo

I address the effect that a temperature dependent potential has on the suppression of heavy quarkonia states in deconfined hadronic matter. I focus on a simple medium: a homogenous, fixed temperature and deconfined system with a finite…

High Energy Physics - Phenomenology · Physics 2015-06-11 Jorge Casalderrey-Solana

We address the evolution of heavy-quarkonium states in an expanding quark-gluon plasma by implementing effective field theory techniques in the framework of open quantum systems. In this setting we compute the nuclear modification factors…

High Energy Physics - Phenomenology · Physics 2017-08-30 Nora Brambilla , Miguel A. Escobedo , Joan Soto , Antonio Vairo

Following a recent work on the effective description of the equations of state for hot QCD obtained from a Hard thermal loop expression for the gluon self-energy, in terms of the quasi-gluons and quasi- quark/anti-quarks with respective…

Nuclear Theory · Physics 2016-11-09 Vineet K. Agotiya , Vinod Chandra , M. Yousuf Jamal , Indrani Nilima

In different approaches, the temperature-baryon density plane of QCD matter is studied for deconfinement and chemical freezeout boundaries. Results from various heavy-ion experiments are compared with the recent lattice simulations, the…

High Energy Physics - Phenomenology · Physics 2020-03-03 Abdel Nasser Tawfik , Muhammad Maher , A. H. El-Kateb , Sara Abdelaziz

I discuss the temperature dependence of quarkonium correlators calculated in lattice QCD. I show that the dominant source of the temperature dependence comes from the zero mode contribution, while the the temperature dependence associated…

High Energy Physics - Lattice · Physics 2009-07-22 P. Petreczky

Heavy quarkonium theory has seen significant progress over the past years. Not only has the community steadily improved the understanding of fully equilibrated quarkonium using first principles lattice QCD studies, but it has taken major…

High Energy Physics - Phenomenology · Physics 2021-02-03 Alexander Rothkopf

The real-time dissociation of the heavy quarkonium in a strongly coupled boost-invariant non-Abelian plasma relaxing towards equilibrium is analyzed in a holographic framework. The effects driving the plasma out of equilibrium are described…

High Energy Physics - Phenomenology · Physics 2017-09-08 L. Bellantuono , P. Colangelo , F. De Fazio , F. Giannuzzi , S. Nicotri

Previous research has shown that the peak of the quarkonium entropy at the deconfinement transition would be related to the entropic force which induces the melting of quarkonium. In this article, we study the effect of backreaction on the…

High Energy Physics - Theory · Physics 2020-05-20 Zi-qiang Zhang

Since the initial investigation by Matsui and Satz heavy quark bound states at finite temperature have been subject to numerous studies. The derivation of a finite-temperature potential from first principles was attempted only recently…

High Energy Physics - Lattice · Physics 2009-06-25 M. Tassler

Recently it has been shown that the peak of the quarkonium entropy at the deconfinement transition is related to the emergent entropic force which destructs the quarkonium. Using the AdS/CFT correspondence, we consider dissociation of a…

High Energy Physics - Phenomenology · Physics 2016-07-20 Kazem Bitaghsir Fadafan , Seyed Kamal Tabatabaei

An extended quark mass density- and temperature- dependent model which includes the couplings between quarks and the sigma-mesons, omega-mesons is suggested. The MIT bag boundary constrain has been given up and the interactions between…

Nuclear Theory · Physics 2007-05-23 Wei Liang Qian , Ru-Keng Su

The strong interaction between heavy quarks and the quark gluon plasma makes the open and hidden charm hadrons be sensitive probes of the deconfinement phase transition in high energy nuclear collisions. Both the cold and hot nuclear matter…

High Energy Physics - Phenomenology · Physics 2016-11-23 Kai Zhou , Wei Dai , Nu Xu , Pengfei Zhuang

We anticipate new features of quarkonium production in heavy ion collisions at RHIC and LHC energies which differ from a straightforward extrapolation of results at CERN SPS energy. General arguments indicate that one may expect quarkonium…

High Energy Physics - Phenomenology · Physics 2009-11-07 R. L. Thews

Recent lattice studies of string breaking in QCD with dynamical quarks determine the in-medium temperature dependence of the heavy quark potential. Comparing this to the binding energies of different quarkonium states, we check if these can…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. Digal , P. Petreczky , H. Satz