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Effective masses of diquarks

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arxiv nucl-th/0204020 v1 pith:HXC7VGUT submitted 2002-04-05 nucl-th

P. Maris This is my paper · ORCID
classification nucl-th
keywords behaviordiquarkmesonrainbow-ladderamplitudesanticipatedasymptoticaxialvector
verification ladder T0 review T1 audit T2 compute T3 formal
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We study meson and diquark bound states using the rainbow-ladder truncation of QCD's Dyson-Schwinger equations. The infrared strength of the rainbow-ladder kernel is described by two parameters. The ultraviolet behavior is fixed by the one-loop renormalization group behavior of QCD, which ensures the correct asymptotic behavior of the Bethe-Salpeter amplitudes and brings important qualitative benefits. The diquark with the lowest mass is the scalar, followed by the axialvector and pseudoscalar diquark. This ordering can be anticipated from the meson sector.

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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 diquarks in the QCD vacuum

    hep-ph 2026-06 unverdicted novelty 6.0 of 10

    A first-principles FRG approach to two-flavor QCD derives low-energy constants for the pion, sigma-meson and scalar diquark without parameters beyond QCD itself, including new diquark properties for color-superconduct...

  2. Diquark Correlators and Phase Structure in the Quark-Meson-Diquark Model beyond Mean Field

    hep-ph 2026-05 unverdicted novelty 6.0 of 10

    Including mesonic fluctuations beyond mean field substantially modifies the phase structure of the quark-meson-diquark model, with diquark condensation dominating for strong couplings as analyzed via diquark pole mass...

  3. Renormalizing the Quark-Meson-Diquark Model

    hep-ph 2025-05 conditional novelty 6.0 of 10

    Renormalized and two RG-consistent versions of the Quark-Meson-Diquark model reproduce the BCS relation and Stefan-Boltzmann limit at high density, while the sigma-delta scheme violates the BCS relation.

  4. $X(3872)$ and hidden charmed tetraquarks

    hep-ph 2025-06 conditional novelty 4.0 of 10

    A diquark-antidiquark quark model with parameters fitted to X(3872) and Tcc predicts hidden-charm tetraquark masses and tentatively assigns XYZ states.

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