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Related papers: Heavy Flavor in the sQGP

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New incarnations of heavy-ion collision experiments are turning our attention to hard processes and a more fine-grained resolution of the QGP. In this endeavor quarkonia or open heavy flavors turn out to be versatile probes, which are…

High Energy Physics - Lattice · Physics 2022-02-08 Johannes Heinrich Weber

A selfconsistent thermodynamic $T$-matrix approach is deployed to study the microscopic properties of the quark-gluon plasma (QGP), encompassing both light- and heavy-parton degrees of freedom in a unified framework. The starting point is a…

Nuclear Theory · Physics 2018-07-19 Shuai Y. F. Liu , Ralf Rapp

We analyze the low frequency part of charmonium spectral functions on large lattices close to the continuum limit in the temperature region $1.5\lesssim T/T_c\lesssim 3$ as well as for $T \simeq 0.75T_c$. We present evidence for the…

Nuclear Theory · Physics 2015-05-28 H. -T. Ding , A. Francis , O. Kaczmarek , F. Karsch , H. Satz , W. Soeldner

Quark number susceptibilities as computed in lattice QCD are commonly believed to provide insights into the microscopic structure of QCD matter, in particular its degrees of freedom. We generalize a previously constructed partonic…

High Energy Physics - Phenomenology · Physics 2022-11-30 Shuai Y. F. Liu , Ralf Rapp

We summarize results of recent studies of heavy quarkonia correlators and spectral functions at finite temperatures from lattice QCD and systematic T-matrix studies using QCD motivated finite-temperature potentials. We argue that heavy…

High Energy Physics - Phenomenology · Physics 2011-06-14 D. Blaschke , C. Pena

Charm- and bottom-quark rescattering in a Quark-Gluon Plasma (QGP) is investigated with the objective of assessing the approach towards thermalization. Employing a Fokker-Planck equation to approximate the collision integral of the…

Nuclear Theory · Physics 2010-04-06 H. van Hees , R. Rapp

We extend our lattice QCD potential based study arXiv:1509.07366 (JHEP 1512 (2015) 101) of the in-medium properties of heavy quark bound states to P-wave bottomonium and charmonium. Similar to the behavior found in the S-wave channel their…

High Energy Physics - Phenomenology · Physics 2016-11-03 Yannis Burnier , Olaf Kaczmarek , Alexander Rothkopf

We argue that although at asymptotically high temperatures the QGP in bulk behaves as a gas of weakly interacting quasiparticles (modulo long-range magnetism), at temperatures up to few times the critical temperature $T_c$ it displays…

High Energy Physics - Phenomenology · Physics 2016-09-06 Edward V. Shuryak , Ismail Zahed

To study the stability of heavy quarkonia in quark-gluon plasma, we use a color-singlet Q-Qbar potential determined previously to be a well-defined linear combination of the free energy F_1 and the internal energy U_1. Using the lattice…

High Energy Physics - Phenomenology · Physics 2007-05-23 Cheuk-Yin Wong

In order to understand the experimental data on heavy quarkonium production in heavy ion collisions at RHIC and LHC it is necessary (though not sufficient) to pinpoint the properties of heavy $Q\bar{Q}$ bound states in the deconfined…

High Energy Physics - Lattice · Physics 2016-11-23 Seyong Kim , Peter Petreczky , Alexander Rothkopf

Using the potential model and thermodynamical quantities obtained in lattice gauge calculations, we determine the spontaneous dissociation temperatures of color-singlet quarkonia and the `quark drip lines' which separate the region of bound…

High Energy Physics - Phenomenology · Physics 2009-11-11 Cheuk-Yin Wong

Employing nonperturbative transport coefficients for heavy-flavor (HF) diffusion through quark-gluon plasma (QGP), hadronization and hadronic matter, we compute $D$- and $B$-meson observables in Pb+Pb ($\sqrt{s}$=2.76\,TeV) collisions at…

Nuclear Theory · Physics 2015-06-18 Min He , Rainer J. Fries , Ralf Rapp

Recently a lot of progress has been made in deriving the heavy quark potential within a QCD medium. In this article we have considered heavy quarkonium in a hot quark gluon plasma phase. The heavy-quark potential has been modeled properly…

Nuclear Theory · Physics 2018-06-26 P. K. Srivastava , O. S. K. Chaturvedi , Lata Thakur

We present a new method to study the properties of heavy quarks at finite temperature. It combines non-relativistic QCD with an improved gluonic action on anisotropic lattices. The efficiency of the approach is demonstrated by the first…

High Energy Physics - Lattice · Physics 2009-10-30 Jochen Fingberg

We discuss recent lattice results on in-medium properties of hadrons and focus on thermal properties of heavy quark bound states. We will clarify the relation between heavy quark free energies and potentials used to analyze the melting of…

High Energy Physics - Lattice · Physics 2009-11-10 Frithjof Karsch

We report here on recent progress in the determination of S-wave and P-wave heavy-quarkonium states at finite temperature. Our results are based on the combination of effective field theories with numerical lattice QCD simulations. These…

High Energy Physics - Phenomenology · Physics 2017-04-05 Alexander Rothkopf

The properties of bound states are fundamental to hadronic spectroscopy and play a central role in the transition from hadronic matter to a quark-gluon plasma (QGP). In a strongly coupled QGP (sQGP), the interplay of temperature, binding…

Nuclear Theory · Physics 2025-09-23 Zhanduo Tang , Biaogang Wu , Andrew Hanlon , Swagato Mukherjee , Peter Petreczky , Ralf Rapp

We extend a previously constructed T-matrix approach to the quark-gluon plasma (QGP) to include the effects of spin-dependent interactions between partons. Following earlier work within the relativistic quark model, the spin-dependent…

High Energy Physics - Phenomenology · Physics 2023-08-10 Zhanduo Tang , Ralf Rapp

Based on a thermodynamic $T$-matrix approach we extract the potential $V$ between two static charges in the quark-gluon plasma (QGP) from fits to the pertinent lattice-QCD free energy. With suitable relativistic corrections we utilize this…

High Energy Physics - Phenomenology · Physics 2017-03-08 Shuai Y. F. Liu , Ralf Rapp

We discuss a relation between the QCD thermodynamics obtained from a statistical analysis of particle production in heavy ion collisions at SPS and RHIC energies and recent LGT results at finite chemical potential. We show that basic…

Nuclear Theory · Physics 2016-09-08 K. Redlich , F. Karsch , A. Tawfik