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Diquark properties from lattice QCD

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arxiv hep-lat/0510082 v1 pith:OQLLVCXN submitted 2005-10-16 hep-lat

Konstantinos Orginos (College of William , Mary / JLab) This is my paper · ORCID
classification hep-lat
keywords diquarksdiquarkfermionlatticepropertiesquarksaccommodatedanti-triplet
verification ladder T0 review T1 audit T2 compute T3 formal

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It has been argued recently that diquarks, a pair of quarks in the anti-triplet representation of SU(3) color, are important building blocks of baryons. The assumption that the scalar diquark is tightly bound seems to be nicely accommodated by experimental data. In this paper I attempt to extract phenomenological properties of diquarks from lattice QCD calculations. In particular, I use the MILC 2+1 dynamical fermion lattices with domain wall fermion valence quarks to probe diquarks very close to the chiral limit.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Scalar diquark mass and quark--diquark potential from lattice QCD using the potential method with a static quark

    hep-lat 2026-06 unverdicted novelty 5.0 of 10

    Using lattice QCD, the scalar diquark mass is found to be close to (2/3) of the nucleon mass, and the quark-diquark potential is of Cornell type with string tension agreeing to within 5% of the static quark-antiquark ...

  2. Chiral effective theory of scalar and vector diquarks revisited

    hep-ph 2024-11 conditional novelty 5.0 of 10

    A new term in the chiral diquark Lagrangian is shown to control the mass ordering of pseudoscalar diquarks and to set the threshold at which heavy-baryon decays turn off under chiral restoration.

  3. Diquarks in lattice QCD

    hep-lat 2025-08 accept novelty 4.0 of 10

    Embedding diquarks in static-light-light baryons on the lattice gives gauge-invariant evidence that the good diquark is lightest and spherical, with a preliminary trend supporting heavy-quark spin symmetry.

  4. Lattice perspectives on doubly heavy tetraquarks

    hep-lat 2025-02 accept novelty 1.0 of 10

    A review of lattice QCD results concludes that doubly heavy tetraquarks Tbb(ud/us) are firmly predicted as bound states, Tcc appears as a virtual state at nonphysical masses, and Tbc is under active study.

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