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Investigating topped hadrons to probe the boundaries of the potential model

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arxiv 2508.17646 v3 pith:NJEICJ3C submitted 2025-08-25 hep-ph

Si-Qiang Luo , Qi Huang , Xiang Liu This is my paper · ORCID
classification hep-ph
keywords toppedmassmesonsmodelpotentialbaryonshadronssingle
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abstract

Inspired by the recent discovery of a pseudoscalar enhancement structure near the $t\bar{t}$ threshold reported by the CMS and ATLAS Collaborations, this work investigates the mass spectra of single topped hadrons-including both topped mesons and topped baryons-based on a relativistic potential model. Using the same parameters obtained from the fit to mesons and baryons, we provide predictions for the mass spectra of ground and low-lying orbitally excited single topped mesons and baryons. In addition, we point out that the precise measurement of the $t\bar{t}$ mass could test the limitation of the potential model. Given the extremely large mass of the topped quark, we discuss spectroscopic properties of topped hadrons in the approximation of an ideal heavy-quark 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. Phenomenology of Hypothetical Single-Top Hadronic States

    hep-ph 2026-05 unverdicted novelty 5.0 of 10

    QCD sum-rule calculations yield single-top baryon and meson masses near the top-quark mass, with a few channels slightly below the naive quark-sum threshold.

  2. Triple top baryon $\Omega_{ttt}$

    hep-ph 2025-08 conditional novelty 5.0 of 10

    The triple-top baryon Ωttt is predicted to have mass 513.58 GeV, binding energy 4.13 GeV, and a dominant W+W+W+bbb decay, with production cross sections too small to observe at near-future colliders.

  3. The S-wave topped meson

    hep-ph 2026-02 conditional novelty 4.0 of 10

    The first four S-wave t-bar-b and t-bar-c quasi-bound states are predicted roughly 5.1/5.4/5.6/5.7 GeV and 1.9/2.2/2.5/2.6 GeV above the top-quark mass.

  4. Examining possible doubly topped baryon configurations

    hep-ph 2026-01 reject novelty 4.0 of 10

    QCD sum rules give doubly topped baryon masses of 345-350 GeV, essentially the sums of the constituent quark masses, with no sign of genuine binding.

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