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Related papers: Colour Fields of the Static Pentaquark System Comp…

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The colour fields created by the static tetraquark system are computed in quenched SU(3) lattice QCD, in a 24^3 x 48 lattice at beta=6.2 corresponding to a lattice spacing a=0.07261(85) fm. We find that the tetraquark colour fields are well…

High Energy Physics - Lattice · Physics 2011-11-09 N. Cardoso , M. Cardoso , P. Bicudo

The colour fields created by the static tetraquark and pentaquark systems are computed in quenched SU(3) lattice QCD, with gauge invariant lattice operators, in a 24^3 x 48 lattice at beta=6.2 . We generate our quenched configurations with…

High Energy Physics - Lattice · Physics 2012-10-12 Pedro Bicudo , Nuno Cardoso , Marco Cardoso

The colour fields created by the static tetraquark and pentaquark systems are computed in quenched SU(3) lattice QCD, with gauge invariant lattice operators, in a 24^3 x 48 lattice at beta=6.2. We generate our quenched configurations with…

High Energy Physics - Lattice · Physics 2012-09-24 Pedro Bicudo , Nuno Cardoso , Marco Cardoso

The colour fields, created by a static gluon-quark-antiquark system, are computed in quenched SU(3) lattice QCD, in a $24^3\times 48$ lattice at $\beta=6.2$ and $a=0.07261(85)\,fm$. We study two geometries, one with a U shape and another…

High Energy Physics - Lattice · Physics 2011-01-13 Nuno Cardoso , Marco Cardoso , Pedro Bicudo

In lattice QCD, colour confinement manifests in flux tubes. We compute in detail the quark-antiquark flux tube for pure gauge SU(3) dimension $D=3+1$ for quark-antiquark distances R ranging from 0.4 fm to 1.4 fm. To increase the signal over…

High Energy Physics - Lattice · Physics 2013-09-18 N. Cardoso , M. Cardoso , P. Bicudo

In this work we compute the color fields in the mediator plane between a static quark and a static antiquark using quenched lattice QCD. In special, we see the effect of the quark-antiquark distance on the flux tube. To obtain this results…

High Energy Physics - Lattice · Physics 2012-11-16 Marco Cardoso , Pedro Bicudo , Nuno Cardoso

We study the color correlation between two static quarks in 3Q ($QQQ$) and 4Q ($QQ\bar Q\bar Q$) multiquark systems at $T=0$ based on the reduced two-body density matrices $\rho$ in color space. We perform quenched lattice QCD calculations…

High Energy Physics - Lattice · Physics 2025-12-29 Toru T. Takahashi , Yoshiko Kanada-En'yo

We study the abelian color flux of two- and three-quark systems in the maximally abelian gauge in lattice QCD with dynamical fermions. We find that the abelian flux tube formed between quark and antiquark is very much the same as in…

High Energy Physics - Lattice · Physics 2009-11-07 H. Ichie , V. Bornyakov , T. Streuer , G. Schierholz

We combine techniques previously utilised to study flux tube field density profiles and to study the excited spectrum of the gluonic fields produced by a static quark-antiquark pair. Working with pure gauge SU(3) fields discretised in a…

High Energy Physics - Lattice · Physics 2018-12-26 P. Bicudo , N. Cardoso , M. Cardoso

We present colour field density profiles for some of the first SU(3) gluonic excitations of the flux tube in the presence of a static quark-antiquark pair. The results are obtained from a large set of gluonic operators.

High Energy Physics - Lattice · Physics 2018-04-18 Pedro Bicudo , Marco cardoso , Nuno Cardoso

The spatial distribution of the action and energy in the colour fields of flux-tubes is studied in lattice SU(2) field theory for static quarks at separations up to 1 fm. Special attention is paid to the structure of the colour fields…

High Energy Physics - Lattice · Physics 2008-11-26 A. M. Green , C. Michael , P. S. Spencer

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

The spatial distribution of the action and energy in the colour fields of flux-tubes is studied in lattice SU(2) field theory for static quarks at separations up to 1 fm at beta=2.4, 2.5. The ground and excited states of the colour fields…

High Energy Physics - Lattice · Physics 2008-11-26 P. Pennanen , A. M. Green , C. Michael

In this work, we show the flux tubes of the quark-antiquark and quark-quark at finite temperature for SU(3) Lattice QCD. The chromomagnetic and chromoelectric fields are calculated above and below the phase transition.

High Energy Physics - Lattice · Physics 2017-01-09 Nuno Cardoso , Marco Cardoso , Pedro Bicudo

We compute the spectra of flux tubes formed between a static quark antiquark pair up to a significant number of excitations and for eight symmetries of the flux tubes, up to $\Delta_u$, using pure $SU(3)$ gauge lattice QCD in $3+1$…

High Energy Physics - Lattice · Physics 2023-03-28 Pedro Bicudo , Alireza Sharifian , Nuno Cardoso

he colour fields, created by static sources belonging to different SU(3) representations, from the 3 to the 27, are computed in quenched SU(3) lattice QCD, in a 24^3 x 48 lattice at beta=6.2 and a=0.07261(85) fm. We utilize the technique of…

High Energy Physics - Lattice · Physics 2011-02-09 Pedro Bicudo , Marco Cardoso , Nuno Cardoso

The full spatial distribution of the color fields of two and four static quarks is measured in lattice SU(2) field theory at separations up to 1 fm at beta=2.4. The four-quark case is equivalent to a qbar q qbar q system in SU(2) and is…

High Energy Physics - Lattice · Physics 2008-11-26 P. Pennanen , A. M. Green , C. Michael

The chromoelectric and chromomagnetic fields, created by a static gluon-quark-antiquark system, are computed in quenched SU(3) lattice QCD, in a $24^3\times 48$ lattice at $\beta=6.2$ and $a=0.07261(85) fm$. We compute the hybrid Wilson…

High Energy Physics - Lattice · Physics 2010-04-06 M. Cardoso , N. Cardoso , P. Bicudo

We compute the quark-antiquark flux tube for pure gauge SU(3) in space-time 3 + 1 dimensions. To increase the signal over noise ratio, we apply the improved multihit and extended smearing techniques. We fit the field densities with an…

High Energy Physics - Lattice · Physics 2014-01-24 Pedro Bicudo , Marco Cardoso , Nuno Cardoso

First results of an ongoing high statistics study of the colour flux distribution around static quark sources in SU(2) gauge theory are presented. The flux tube profiles and widths have been investigated for several quark separations at…

High Energy Physics - Lattice · Physics 2009-10-22 G. S. Bali , K. Schilling , C. Schlichter
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