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Related papers: Heavy quark free energies for three quark systems …

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We study the behaviour of free energies of baryonic systems composed of three heavy quarks on the lattice in SU(3) pure gauge theory at finite temperature. For all temperatures above $T_c$ we find that the connected part of the singlet…

High Energy Physics - Lattice · Physics 2017-08-23 K. Huebner , O. Kaczmarek , F. Karsch , O. Vogt

We discuss the renormalized free energy of a heavy quark anti-quark pair in the color singlet channel for quenched and full QCD at finite temperature. The temperature and mass dependence, as well as its short distance behavior is analyzed.…

High Energy Physics - Lattice · Physics 2009-11-10 O. Kaczmarek , F. Karsch , P. Petreczky , F. Zantow

We analyze heavy quark free energies in 2-flavor QCD at finite temperature and the corresponding heavy quark potential at zero temperature. Static quark anti-quark sources in color singlet, octet and color averaged channels are used to…

High Energy Physics - Lattice · Physics 2009-11-11 Olaf Kaczmarek , Felix Zantow

We investigate the behaviour of heavy $QQ$- and $QQQ$-free energies in SU(3) pure gauge theory at finite temperature. After stating some general properties of the free energies, we discuss the $QQ$-antitriplet and -sextet channels as well…

High Energy Physics - Lattice · Physics 2016-08-16 K. Hübner , O. Kaczmarek , O. Vogt

The free energy between a static quark and an antiquark is studied by using the color-singlet Polyakov-line correlation at finite temperature in lattice QCD with 2+1 flavors of improved Wilson quarks. From the simulations on $32^3 \times…

High Energy Physics - Lattice · Physics 2009-11-18 Y. Maezawa , S. Aoki , S. Ejiri , T. Hatsuda , N. Ishii , K. Kanaya , H. Ohno , T. Umeda

We study the properties of the free energy of infinitely heavy quark anti-quark pair in SU(2) gauge theory. By means of lattice Monte Carlo simulations we calculated the free energies in the singlet, triplet and color averaged channels,…

High Energy Physics - Lattice · Physics 2009-11-10 S. Digal , S. Fortunato , P. Petreczky

We study the singlet part of the free energy of a static quark anti-quark pair at finite temperature in three flavor QCD with degenerate quark masses using $N_{\tau}=4$ and 6 lattices with Asqtad staggered fermion action. We look at…

High Energy Physics - Lattice · Physics 2017-08-23 Konstantin Petrov

We present results on the renormalized quark-anti-quark free energy in SU(3) gauge theory at finite temperatures. We discuss results for the singlet, octet and colour averaged free energies and comment on thermal relations which allow to…

High Energy Physics - Lattice · Physics 2017-08-23 F. Zantow , O. Kaczmarek , F. Karsch , P. Petreczky

We investigate the singlet, triplet and colour average heavy quark free energies in SU(2) pure gauge theory at various temperatures T. We focus on the long distance behaviour of the free energies, studying in particular the temperature…

High Energy Physics - Lattice · Physics 2007-05-23 S. Digal , S. Fortunato , P. Petreczky

We study the renormalized free energy of a heavy quark anti-quark pair in the different colour channels in full QCD at finite temperature. Similarities and differences to the quenched case are discussed and the temperature dependence as…

High Energy Physics - Lattice · Physics 2008-11-26 Olaf Kaczmarek , Shinji Ejiri , Frithjof Karsch , Edwin Laermann , Felix Zantow

We study the free energy of a heavy quark-antiquark pair in a thermal medium. We constuct a simple ansatz for the free energy for two quark flavors motivated by the Debye-H\"uckel theory of screening.

High Energy Physics - Phenomenology · Physics 2009-01-07 S. Digal , O. Kaczmarek , F. Karsch , H. Satz

The free energy between a static quark and an antiquark is studied by using the color-singlet Polyakov-line correlation at finite temperature. We perform simulations on $32^3 \times 12$, 10, 8, 6, 4 lattices in the high temperature phase…

High Energy Physics - Lattice · Physics 2010-11-05 Y. Maezawa , S. Aoki , S. Ejiri , T. Hatsuda , K. Kanaya , H. Ohno , T. Umeda

We study the change in free and internal energy due to the presence of a heavy quark anti-quark pair in a thermal heat bath in QCD with 2-flavors of staggered quarks at finite temperature. We discuss string breaking below as well as…

High Energy Physics - Lattice · Physics 2009-01-07 Olaf Kaczmarek , Felix Zantow

We study the free energy of a static quark anti-quark pair at finite temperature in three flavor QCD with degenerate quark masses using N_tau=4 and 6 lattices with Asqtad staggered fermion action. The static free energy was calculated for…

High Energy Physics - Lattice · Physics 2008-11-26 P. Petreczky , K. Petrov

Polyakov loop correlations at finite temperature in two-flavor QCD are studied in lattice simulations with the RG-improved gluon action and the clover-improved Wilson quark action. From the simulations on a $16^3 \times 4$ lattice, we…

High Energy Physics - Lattice · Physics 2008-11-26 Y. Maezawa , S. Ejiri , T. Hatsuda , N. Ishii , N. Ukita , S. Aoki , K. Kanaya

SU(3) heavy quark potentials at finite temperature are studied with quenched lattice QCD using the stochastic gauge-fixing method. In addition to the standard color average channel, we investigate $q\bar{q}$ potentials in singlet and octet…

High Energy Physics - Lattice · Physics 2009-11-10 Atsushi Nakamura , Takuya Saito

We analyze the change in free energy, internal energy and entropy due to the presence of a heavy quark anti-quark pair in a QCD heat bath. The internal energies and entropies are introduced as intensive observables calculated through…

High Energy Physics - Lattice · Physics 2009-09-29 O. Kaczmarek , F. Zantow

It appears well accepted in the literature that the correlator of Polyakov loops in a finite temperature system decays with the "average" free energy of the static quark-antiquark system, and can be decomposed into singlet and adjoint (or…

High Energy Physics - Lattice · Physics 2007-05-23 Oliver Jahn , Owe Philipsen

We present results on heavy quark free energies in 2-flavour QCD. The temperature dependence of the interaction between static quark anti-quark pairs will be analyzed in terms of temperature dependent screening radii, which give a first…

High Energy Physics - Lattice · Physics 2007-05-23 O. Kaczmarek , F. Zantow

We study the flux tubes produced by static quark-antiquark, quark-quark and quark-gluon charges at finite temperature in pure gauge SU(3) lattice QCD. Our sources are static and our lattice correlators are composed of fundamental and…

High Energy Physics - Lattice · Physics 2017-10-11 P. Bicudo , N. Cardoso , M. Cardoso
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