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We study the generalized gluon distribution that governs the dynamics of quarkonium inside a non-Abelian thermal plasma characterizing its dissociation and recombination rates. This gluon distribution can be written in terms of a…

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

A kinetic-rate equation approach in a thermally expanding medium is employed to calculate the evolution of charmonium and bottomonium distributions in heavy-ion collisions. The equilibrium properties of the quarkonia are taken from…

High Energy Physics - Phenomenology · Physics 2015-06-11 Xingbo Zhao , Andrew Emerick , Ralf Rapp

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

The characteristics of a thermal system depend strongly on its response to thermal gradients and the underlying microscopic interactions among constituents. In the present study, we investigate the thermodynamic and transport properties of…

High Energy Physics - Phenomenology · Physics 2026-04-08 Rishabh Kumar Tiwari , Kangkan Goswami , Suraj Prasad , Captain R. Singh , Raghunath Sahoo , Mohammad Yousuf Jamal

A quantum kinetic formalism is developed to study the dynamical interplay of quantum and statistical-kinetic properties of non-equilibrium multi-parton systems produced in high-energy QCD processes. The approach provides the means to follow…

High Energy Physics - Phenomenology · Physics 2008-11-26 Klaus Geiger

On the basis of the closed-time path formalism of non-equilibrium quantum field theory, we derive the real-time quantum dynamics of heavy quark systems. Even though our primary goal is the description of heavy quarkonia, our method allows a…

High Energy Physics - Phenomenology · Physics 2015-06-11 Yukinao Akamatsu

Motivated by the potential experimental relevance of magnetically affected heavy-quark diffusion, we consider here a five-dimensional nonlinear Einstein-Born-Infeld-dilaton model to not only holographically model the QCD thermodynamics in a…

High Energy Physics - Theory · Physics 2025-10-17 Siddhi Swarupa Jena , Arpan Bhattacharjee , David Dudal , Subhash Mahapatra

We study the evolution of heavy quarkonium states with temperature in a Quark-Gluon Plasma by evaluating an in-medium Q\bar{Q} T-matrix within a reduced Bethe-Salpeter equation in S- and P-wave channels. The interaction kernel is extracted…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Cabrera , R. Rapp

We review weakly-bound heavy quarkonium systems using effective field theories of QCD. We concentrate on potential Non-Relativistic QCD, which provides with a well founded connection between QCD and descriptions of the heavy quarkonium…

High Energy Physics - Phenomenology · Physics 2015-06-03 Antonio Pineda

The problem of quarkonium production in heavy ion collisions presents a set of unique theoretical challenges -- from the relevant production mechanism of $J/\psi$ and $\Upsilon$ to the relative significance of distinct cold and hot nuclear…

High Energy Physics - Phenomenology · Physics 2020-01-23 Yiannis Makris , Ivan Vitev

The relativistic Fokker Planck equation has been used to study the evolution of the quark distribution in the quark gluon phase expected to be formed in ultra-relativistic heavy ion collisions. The effect of thermal masses for quarks and…

Nuclear Theory · Physics 2009-10-30 Pradip Roy , Jane Alam , Sourav Sarkar , Bikash Sinha , Sibaji Raha

A thermodynamic quantum many-body $T$-matrix approach is employed to study the spectral and transport properties of the quark-gluon plasma at moderate temperatures where nonperturbative effects are essential. For the partonic two-body…

Nuclear Theory · Physics 2019-02-20 Shuai Y. F. Liu , Ralf Rapp

In relativistic heavy-ion collisions, the production of heavy quarks at large transverse momenta is strongly suppressed compared to proton-proton collisions. In addition an unexpectedly large azimuthal anisotropy was observed for the…

Nuclear Theory · Physics 2018-12-12 Weiyao Ke , Yingru Xu , Steffen A. Bass

We propose an extension of Light-Front Holographic QCD (LFHQCD) to investigate non-equilibrium real-time dynamics and transport properties of strongly coupled QCD matter. While LFHQCD has been successfully applied to hadronic spectroscopy…

High Energy Physics - Phenomenology · Physics 2025-06-17 Fidele J. Twagirayezu

Transport properties of a thermal medium determine how its conserved charge densities (for instance the electric charge, energy or momentum) evolve as a function of time and eventually relax back to their equilibrium values. Here the…

High Energy Physics - Lattice · Physics 2015-03-19 Harvey B. Meyer

We investigate some consequences of the possibility that heavy quarkonia in a quark-gluon plasma possess different (quasi-) bound states, between which transitions are possible. In particular, we show that the time-evolution eigenstates in…

High Energy Physics - Phenomenology · Physics 2011-03-16 Nicolas Borghini , Clement Gombeaud

In this thesis the finite temperature transition between confined and deconfined matter is studied at zero and nonzero quark densities. The findings are relevant for the understanding of the evolution of the early Universe and contemporary…

High Energy Physics - Lattice · Physics 2011-04-20 Gergely Endrodi

Emphasizing the possibility of moderate suppression of heavy quarkonium states, we invite some attention towards the issue of real time evolution of quarkonia during the cooling phase of quark gluon plasma(QGP). In this context, we have…

Nuclear Theory · Physics 2019-05-16 Nirupam Dutta , Partha Bagchi , Jobin Sebastian

In this paper, quarkonium dissociation is investigated in an anisotropic plasma in the hot and dense media. For that purpose, the multidimensional Schrodinger equation is solved analytically by Nikiforov-Uvarov (NU) method for the real part…

High Energy Physics - Phenomenology · Physics 2019-01-29 M. Abu-Shady , H. M. Mansour , A. I. Ahmadov

At high temperatures, strongly interacting matter becomes a plasma of deconfined quarks and gluons. In statistical QCD, deconfinement and the properties of the resulting quark-gluon plasma can be investigated by studying the in-medium…

Nuclear Theory · Physics 2009-01-15 Binoy Krishna Patra , Vinod Chandra , Vineet Agotiya