INTER-QUARK POTENTIALS IN BARYONS AND MULTI-QUARK SYSTEMS IN QCD-Reference-Cited by-同舟云学术

INTER-QUARK POTENTIALS IN BARYONS AND MULTI-QUARK SYSTEMS IN QCD

Published:2008-09-30 Issue:27n30 Volume:23 Page:2331-2339
ISSN:0217-7323
Container-title:Modern Physics Letters A
language:en
Short-container-title:Mod. Phys. Lett. A

Author:

SUGANUMA HIDEO¹,YAMAMOTO ARATA¹,SAKUMICHI NAOYUKI¹,TAKAHASHI TORU T.²,IIDA HIDEAKI²,OKIHARU FUMIKO³

Affiliation:

1. Graduate School of Science, Kyoto University, Kitashirakawaoiwake, Sakyo, Kyoto 606-8502, Japan

2. Yukawa Institute for Theoretical Physics, Kyoto University, Kitashirakawaoiwake, Sakyo, Kyoto 606-8502, Japan

3. Faculty of Education and Human Sciences, Niigata University, Ikarashi 2-8050, Niigata 950-2181, Japan

Abstract

We perform the first studies of various inter-quark potentials in SU(3)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 V3Q is well described by Y-Ansatz, i.e., the Coulomb plus Y-type linear potential. Quark confinement mechanism in baryons is also investigated in maximally-Abelian projected QCD. We next study the multi-quark potentials VnQ (n = 4,5) in SU(3)c lattice QCD, and find that they are well described by the one-gluon-exchange Coulomb plus multi-Y type linear potential, which supports the flux-tube picture even for the multi-quarks. Finally, we study the heavy-heavy-light quark (QQq) potential both in lattice QCD and in a lattice-QCD-based quark model.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217732308029320

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