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Strongly Bound Dibaryon with Maximal Beauty Flavor from Lattice QCD

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arxiv 2205.02862 v2 pith:VDK66TOU submitted 2022-05-05 hep-lat hep-exhep-phnucl-th

Nilmani Mathur , M. Padmanath , Debsubhra Chakraborty This is my paper · ORCID
classification hep-lathep-exhep-phnucl-th
keywords boundomegabindingdibaryonlatticebeautychanneldeeply
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We report the first lattice QCD study of the heavy dibaryons in which all six quarks have the bottom (beauty) flavor. Performing a state-of-the-art lattice QCD calculation we find clear evidence for a deeply bound $\Omega_{bbb}$-$\Omega_{bbb}$ dibaryon in the $^1S_0$ channel, as a pole singularity in the $S$-wave $\Omega_{bbb}$-$\Omega_{bbb}$ scattering amplitude with a binding energy $-81(_{-16}^{+14})$ MeV. With such a deep binding, Coulomb repulsion serves only as a perturbation on the ground state wave function of the parameterized strong potential and may shift the strong binding only by a few percent. Considering the scalar channel to be the most bound for single flavored dibaryons, we conclude this state is the heaviest possible most deeply bound dibaryon in the visible universe.

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Cited by 2 Pith papers

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

  1. Renormalon subtracted nonrelativistic QCD for heavy hadron systems

    hep-ph 2026-07 conditional novelty 6.5 of 10

    MRS-pNRQCD plus GFMC stabilizes heavy-hadron spectroscopy; NNLO baryon masses undershoot lattice QCD by 125–175 MeV with 1/m_Q scaling, and a critical mass ratio for tetraquark binding is extracted.

  2. Lattice QCD Study of Positive Parity Dibaryons with Maximal Charm and Strangeness

    hep-lat 2025-07 conditional novelty 6.0 of 10

    Lattice QCD finds the Omega_ccc-Omega_ccc dibaryon likely bound by about 45 MeV in the spin-0 channel, Omega-Omega near threshold, and both spin-2 systems unbound.

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