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Quarkonium properties at finite temperature have been studied with quark masses of the charm and bottom quarks. Our simulations have been performed in quenched QCD with the $O(a)$-improved Wilson quarks on large and fine isotropic lattices…

High Energy Physics - Lattice · Physics 2015-04-30 H. Ohno , H. -T. Ding , O. Kaczmarek

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

The system of a quarkonium confined by an impenetrable spherical cavity filled with a hot quantum chromodynamics (QCD) medium is studied by solving the Schr\"{o}dinger equation. This is the first time this issue has been raised for…

Nuclear Theory · Physics 2019-07-31 Peng Cheng , Xiaofeng Luo , Jialun Ping , Hongshi Zong

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

Lattice QCD studies on charmonium at finite temperature are presented After a discussion about problems for the Maximum Entropy Method applied to finite temperature lattice QCD, I show several results on charmonium spectral functions. The…

High Energy Physics - Lattice · Physics 2008-11-26 Takashi Umeda

The charmonium states at non-zero temperature are studied on anisotropic lattices with 2 dynamical quark flavours. Non-local operators are used to determine the Nambu-Bethe-Salpeter (NBS) wavefunctions via both conventional fitting methods…

High Energy Physics - Lattice · Physics 2013-06-14 C. R. Allton , P. W. M. Evans , J. -I. Skullerud

We study the charmonium properties at finite temperature using quenched lattice QCD simulations. Although a simple potential model analysis indicates no bound state at $T>1.05T_c$, our analyses of the spatial correlation between quark and…

High Energy Physics - Lattice · Physics 2009-11-07 Takashi Umeda , Hideo Matsufuru , Osamu Miyamura , Kouji Nomura

We study charmoinum correlators and spectral functions at finite temperature within the quenched approximation using isotropic lattices with lattice spacing a^-1=4.86 GeV and 9.72 GeV. Although we observe some medium modifications of the…

High Energy Physics - Lattice · Physics 2009-11-10 P. Petreczky , S. Datta , F. Karsch , I. Wetzorke

We study hadron properties near the deconfining transition in the finite temperature lattice QCD. This paper focus on the heavy quarkonium states, such as $J/\psi$ meson. We compare the meson correlators above and below $T_c$ and discuss…

High Energy Physics - Lattice · Physics 2009-10-31 T. Umeda , R. Katayama , H. Matsufuru , O. Miyamura

In the fractional nonrelativistic potential model, the decomposition of heavy quarkonium in a hot magnetized medium is investigated. The analytical solution of the fractional radial Schrodinger equation for the hot-magnetized interaction…

High Energy Physics - Phenomenology · Physics 2022-11-15 M. Abu-shady , A. I. Ahmadov , H. M. Fath-Allah , V. H. Badalov

We study quarkonium correlators and spectral functions at zero and finite temperature in QCD with only heavy quarks using potential models combined with perturbative QCD. First, we show that this approach can describe the quarkonium…

High Energy Physics - Phenomenology · Physics 2008-11-26 Agnes Mocsy , Peter Petreczky

The potential between charm and anti-charm quarks is calculated non-perturbatively using physical, rather than static quarks at temperatures on both sides of the deconfinement transition $T_{\rm C}$, using a lattice simulation with 2+1…

High Energy Physics - Lattice · Physics 2015-05-26 Chris Allton , Wynne Evans , Pietro Giudice , Jon-Ivar Skullerud

We study charmonium properties at non-zero temperature in the temperature range 153 MeV $<T<$ 305 MeV using lattice QCD. We use HISQ action for dynamical quarks and Wilson clover action for valence charm quarks and calculate the correlation…

High Energy Physics - Lattice · Physics 2026-05-20 Rasmus Normann Larsen , Peter Petreczky , Jorge Luis Dasilva Golan , Johannes H. Weber

We study quarkonium spectral functions at high temperatures using potential model with complex potential. The real part of the potential is constrained by the lattice QCD data on static quark anti-quark correlation functions, while the…

High Energy Physics - Phenomenology · Physics 2010-12-21 C. Miao , A. Mocsy , P. Petreczky

We have studied the dissociation of quarkonia states in a deconfined medium of quarks and gluons at the large baryon chemical potential and small temperature region. The aim of this study is to probe the dense baryonic medium expected to be…

High Energy Physics - Phenomenology · Physics 2015-08-12 Uttam Kakade , Binoy Krishna Patra

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

Meson-charmonium dissociation reactions governed by the quark interchange are studied with temperature-dependent quark potentials. Quark-antiquark relative-motion wave functions and masses of charmonia and charmed mesons are determined by…

High Energy Physics - Phenomenology · Physics 2012-06-13 Jie Zhou , Xiao-Ming Xu

We consider the dissociation of heavy quarkonium in a medium close to thermal equilibrium but with a small momentum space anisotropy. Dissociation is defined to take place when the width of the ground state equals its binding energy. We…

High Energy Physics - Phenomenology · Physics 2014-11-18 Y. Burnier , M. Laine , M. Vepsalainen

We study the properties of charmonium states at finite temperature in quenched QCD on isotropic lattices. We measured charmonium correlators using non-perturbatively $\cO(a)$ improved clover fermions on fine ($a=0.01$ fm) lattices with a…

High Energy Physics - Lattice · Physics 2011-03-31 H. -T. Ding , A. Francis , O. Kaczmarek , F. Karsch , H. Satz , W. Soeldner

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