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Related papers: Static three- and four-quark potentials

200 papers

We study the three-quark and multi-quark potentials in SU(3) lattice QCD. From the accurate calculation for more than 300 different patterns of 3Q systems, the static ground-state 3Q potential $V_{\rm 3Q}^{\rm g.s.}$ is found to be well…

High Energy Physics - Lattice · Physics 2009-11-10 Hideo Suganuma , Toru T. Takahashi , Fumiko Okiharu , Hiroko Ichie

We determine doubly heavy baryonic potentials as a function of the distance between the two static sources, coupled to a light relativistic quark, for different quantum numbers. We use the variational method to compute the ground state and…

High Energy Physics - Lattice · Physics 2010-11-05 Johannes Najjar , Gunnar Bali

The baryonic potential in the framework of the SU(3) random vortex world-surface model is evaluated for a variety of static color source geometries. For comparison, carefully taking into consideration the string tension anisotropy…

High Energy Physics - Lattice · Physics 2009-11-10 Michael Engelhardt

We evaluate the static $qq\bar{q}\bar{q}$ and $qqqq\bar{q}$ potentials in the quenched theory at $\beta=5.8$ and $\beta=6.0$ on a lattice of size $16^3\times 32$. We compare the static potentials to the sum of two meson potentials for the…

High Energy Physics - Lattice · Physics 2009-11-10 C. Alexandrou , G. Koutsou

We study exotic static 3-body potentials, utilizing generalized Wilson Loops in SU(3) lattice QCD. For the quark-antiquark-gluon techniques we address the angles of 0, 45, 60, 90, 120, 135 and 180 degrees, between the quark-gluon and the…

High Energy Physics - Lattice · Physics 2010-01-21 P. Bicudo , M. Cardoso , O. Oliveira

We study the long distance interaction for hybrid hadrons, with a static gluon, a quark and an antiquark with lattice QCD techniques. A Wilson loop adequate to the static hybrid three-body system is developed and, using a 24^3 x 48 periodic…

High Energy Physics - Lattice · Physics 2008-11-26 P. Bicudo , M. Cardoso , O. Oliveira

We compute the static potential in three-dimensional SU(2) Yang Mills Theory with adjoint sources using numerical simulations. By employing a variational approach involving string and gluelump operators, we obtain clear evidence for string…

High Energy Physics - Lattice · Physics 2009-10-31 Owe Philipsen , Hartmut Wittig

The static potentials for quark-antiquark-gluon and 3-gluon systems are computed with lattice QCD methods. For the quark-antiquark-gluon hybrid meson the static potential is obtained for different values of the angle between the quark-gluon…

High Energy Physics - Lattice · Physics 2009-05-27 Marco Cardoso , Pedro Bicudo , Orlando Oliveira

We perform the first studies of various inter-quark potentials in SU(3)$_{\rm c}$ lattice QCD. From the accurate lattice calculation for more than 300 different patterns of three-quark (3Q) systems, we find that the static 3Q potential…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. Suganuma , A. Yamamoto , N. Sakumichi , T. T. Takahashi , H. Iida , F. Okiharu

We analyze the static potentials for various representations in SU($3$) Yang-Mills theory within the framework of the domain model of center vortices. The influence of vortex interactions is investigated on the static potentials. We show…

High Energy Physics - Phenomenology · Physics 2019-12-11 Seyed Mohsen Hosseini Nejad

An uncontroversial observation of adjoint string breaking is proposed, while measuring the static potential from Wilson loops only. The overlap of the Wilson loop with the broken-string state is small, but non-vanishing, so that the…

High Energy Physics - Lattice · Physics 2015-06-25 Slavo Kratochvila , Philippe de Forcrand

We report on a very accurate measurement of the static quark potential in SU(2) Yang-Mills theory in (2+1) dimensions in order to study the corrections to the linear behaviour. We perform numerical simulations at zero and finite temperature…

High Energy Physics - Lattice · Physics 2010-02-03 M. Caselle , M. Pepe , A. Rago

String breaking by dynamical quarks in (2+1)-d lattice QCD is demonstrated in this project, by measuring the static potential and the local color-electric field strength between a heavy quark and antiquark pair at large separations.…

High Energy Physics - Lattice · Physics 2009-11-07 Howard D. Trottier , Kit Yan Wong

The static potential, corresponding to the interaction of two heavy sources is computed for $\mathcal{N}=4$ Super Yang Mills in the strong 't Hooft coupling regime by using the AdS/CFT conjecture and performing a computation of a…

High Energy Physics - Theory · Physics 2007-05-23 Enrique Alvarez , Juan Jose Manjarin

We continue our investigation of the effective string model for the triply heavy quark system, mimicking that in pure $SU(3)$ gauge theory. We present analytical and numerical studies of the three-quark potential for isosceles and collinear…

High Energy Physics - Phenomenology · Physics 2025-11-07 Oleg Andreev

We present results for tetraquark potentials of two static anti-quarks $\bar b \bar b$ in the presence of two light quarks $u$ and/or $d$. We improve on existing results by computing the static potential also for off-axis separations, which…

High Energy Physics - Lattice · Physics 2023-12-29 Lasse Mueller , Pedro Bicudo , Marina Krstic Marinkovic , Marc Wagner

A convincing, uncontroversial observation of string breaking, when the static potential is extracted from Wilson loops only, is still missing. This failure can be understood if the overlap of the Wilson loop with the broken string is…

High Energy Physics - Lattice · Physics 2009-11-07 Slavo Kratochvila , Philippe de Forcrand

We calculate the energy of a static string in an AdS slice between two D3-branes with orbifold condition. The energy for configurations with endpoints on a brane grows linearly for large separation between these points. The derivative of…

High Energy Physics - Theory · Physics 2014-11-18 Henrique Boschi-Filho , Nelson R. F. Braga , Cristine N. Ferreira

We study the effects of dynamical quarks on the static quark potential at distances shorter than those where string breaking is expected. Quenched calculations and calculations with three flavors of dynamical quarks are done on sets of…

High Energy Physics - Lattice · Physics 2009-10-31 C. Bernard , T. Burch , K. Orginos , D. Toussaint , T. A. DeGrand , C. E. DeTar , S. Gottlieb , U. M. Heller , J. E. Hetrick , R. L. Sugar

String breaking by dynamical quarks in three-dimensional lattice QCD is analyzed through measurements of the potential and the local color-electric field strength generated by a static quark-antiquark pair. Simulations were done for…

High Energy Physics - Lattice · Physics 2009-11-10 Howard D. Trottier , Kit Yan Wong