Multi-Quarks and Two-Baryon Interaction in Lattice QCD
Fumiko Okiharu, Hideo Suganuma, Toru T. Takahashi, Takumi Doi
TL;DR
This paper investigates multi-quark systems in lattice QCD, revealing that their potentials are well described by a Coulomb plus multi-Y linear model and providing evidence of flux-tube recombination, bridging particle and nuclear physics.
Contribution
It introduces a detailed analysis of multi-quark potentials in lattice QCD, demonstrating the multi-Y Ansatz and flux-tube dynamics in multi-quark systems.
Findings
Multi-quark potentials fit the Coulomb plus multi-Y linear model.
Evidence of flux-tube recombination ('flip-flop') observed.
Provides a link between particle physics and nuclear physics.
Abstract
We study multi-quark (3Q,4Q,5Q) systems in lattice QCD. We perform the detailed studies of multi-quark potentials in lattice QCD to clarify the inter-quark interaction in multi-quark systems. We find that all the multi-quark potentials are well described by the OGE Coulomb plus multi-Y-type linear potential, i.e., the multi-Y Ansatz. For multi-quark systems, we observe lattice QCD evidences of ``flip-flop'', i.e., flux-tube recombination. These lattice QCD studies give an important bridge between elementary particle physics and nuclear physics.
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