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Related papers: Heavy quarkonia in a bulk viscous medium

200 papers

We study the effect of a strong constant magnetic field, generated in relativistic heavy ion collisions, on the heavy quark complex potential. We work in the strong magnetic field limit with the lowest Landau level approximation. We find…

High Energy Physics - Phenomenology · Physics 2018-06-07 Balbeer Singh , Lata Thakur , Hiranmaya Mishra

Suppression of open heavy quarks and quarkonia in heavy-ion collisions are among the most informative probes of quark-gluon plasma (QGP). Interpreting the full wealth of data obtained from the collision events requires a precise theoretical…

High Energy Physics - Phenomenology · Physics 2025-05-01 Bruno Scheihing-Hitschfeld , Xiaojun Yao

We study a thermodynamically consistent implementation of the nucleon volume in the mean field theory, and find that this volume has large consequences on the properties of hadronic matter under extreme conditions such as in astrophysical…

Nuclear Theory · Physics 2012-06-26 Bo-Qiang Ma , Qi-Ren Zhang , D. H. Rischke , W. Greiner

I consider the behavior of the quark-antiquark potential, called the Cornell Potential, in a quark-gluon plasma. Since mesons are no longer bound in the quark-gluon plasma, there might be a relationship between the string tension of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sidi Cherkawi Benzahra

We investigate dilepton production in a thermalized quark--gluon plasma subject to global rotation, in the rigid rotating approximation. We consider a generic process involving quark-antiquark annihilation followed by the emission of a…

High Energy Physics - Phenomenology · Physics 2026-04-03 Jorge David Castaño-Yepes , Enrique Muñoz

We consider thermodynamic properties of a quark-gluon plasma related to quasiparticles having the internal structure. For this purpose, we employ a possible analogy between quantum chromodynamics and non-Abelian Proca-Dirac-Higgs theory.…

High Energy Physics - Phenomenology · Physics 2020-08-26 V. Dzhunushaliev , V. Folomeev , T. Ramazanov , T. Kozhamkulov

One of the main activities in high-energy and nuclear physics is the search for the so-called quark-gluon plasma, a new state of matter which should have existed a few microseconds after the Big Bang. A quark-gluon plasma consists of free…

High Energy Physics - Phenomenology · Physics 2009-11-10 Markus H. Thoma

We investigate the shear viscosity of leptons in a strongly coupled quark gluon plasma (QGP). We find that the shear viscosity due to the lepton-quark scattering is inversely proportional to the ratio of electric conductivity of the QGP to…

High Energy Physics - Theory · Physics 2015-06-17 Berndt Müller , Di-Lun Yang

Substantial anisotropies should occur in the hot expanding QCD plasma produced in relativistic heavy-ion collisions due to non-vanishing shear viscosity. We discuss the form of the real-time, hard thermal loop resummed propagator for static…

High Energy Physics - Phenomenology · Physics 2011-05-27 Adrian Dumitru

Currently there is intense interest in the properties of the Quark-Gluon Plasma produced in peripheral collisions of heavy ions at various facilities, such as the RHIC. In particular, it is essential to understand the difference between…

High Energy Physics - Theory · Physics 2018-08-03 Brett McInnes

Utilizing an emergent metric developed from deep learning techniques, we determine the complex potential associated with static quarkonium. This study explores the disintegration process of quarkonium by analyzing the real component of this…

High Energy Physics - Phenomenology · Physics 2025-03-13 Mahdi Mansouri , Kazem Bitaghsir Fadafan , Xun Chen

The shear ($\eta$) and bulk ($\zeta$) viscosities are calculated in a quasiparticle relaxation time approximation. The hadron phase is described within the relativistic mean field based model with scaled hadron masses and couplings. The…

Nuclear Theory · Physics 2010-10-19 A. S. Khvorostukhin , V. D. Toneev , D. N. Voskresensky

Finite-temperature spectra of heavy quarkonia are calculated by combining potential model and thermofield dynamics formalisms. The mass spectra of the heavy quarkonia with various quark contents are calculated. It is found that binding mass…

High Energy Physics - Phenomenology · Physics 2010-01-26 D. U. Matrasulov , F. C. Khanna , Kh. T. Butanov , Kh. Yu. Rakhimov

The spectroscopic properties of heavy quarkonia are substantially different in the quark-gluon plasma (QGP) that is created in relativistic heavy-ion collisions as compared to the vacuum situation that can be tested in pp collisions at the…

High Energy Physics - Phenomenology · Physics 2020-11-03 Georg Wolschin

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

Bulk viscosity of a plasma consisting of strongly coupled diatomic ions is computed using molecular dynamics simulations. The simulations are based on the rigid rotor one-component plasma, which is introduced as a model system that adds two…

Plasma Physics · Physics 2024-05-29 Jarett LeVan , Marco Acciarri , Scott Baalrud

We present results of a three-loop hard-thermal-loop perturbation theory calculation of the thermodynamical potential of a finite temperature and baryon chemical potential system of quarks and gluons. We compare the resulting pressure and…

High Energy Physics - Phenomenology · Physics 2014-03-12 Najmul Haque , Jens O. Andersen , Munshi G. Mustafa , Michael Strickland , Nan Su

The strength of the interaction between heavy quarks is studied for heavy quarkonium ($\mathrm{Q\bar{Q}}$) and doubly heavy baryons ($\mathrm{QQq}$) at finite temperature and rapidity using the gauge/gravity duality in this paper. We show…

High Energy Physics - Phenomenology · Physics 2026-01-07 Xuan Liu , Sheng Lin , Xun Chen

We present predictions for the nuclear modification factor and elliptic flow of D and B mesons, as well as of their decay electrons, in semicentral Pb-Pb collisions at the LHC. Heavy quarks are propagated in a Quark-Gluon Plasma using a…

High Energy Physics - Phenomenology · Physics 2008-04-22 H. van Hees , V. Greco , R. Rapp

Photons radiated in heavy-ion collisions are a penetrating probe, and as such can play an important role in the determination of the quark-gluon plasma (QGP) transport coefficients. In this work we calculate the bulk viscous correction to…

Nuclear Theory · Physics 2016-12-19 Sigtryggur Hauksson , Chun Shen , Sangyong Jeon , Charles Gale
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