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Study on Toponium: Spectrum and Associated Processes

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arxiv 2412.18527 v1 pith:EHTRCDEX submitted 2024-12-24 hep-ph

Sheng-Juan Jiang , Bai-Qing Li , Guang-Zhi Xu , Kui-Yong Liu This is my paper · ORCID
classification hep-ph
keywords toponiumpotentialspectrumaccordassociatedcalculatecalculationschoice
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In this paper, we calculate the toponium spectrum in the potential model with the screened effects. Coulombic part is dominant for toponium, and the coefficient of the Coulomb potential is chosen from lattice QCD calculations at an infinite quark mass in accord with the ultrasoft scale choice. We also derive the relative E1 transitions, decays, and production.

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Forward citations

Cited by 9 Pith papers

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

  1. Topped baryons from QCD sum rules

    hep-ph 2025-07 conditional novelty 6.0 of 10

    QCD sum rules in HQET predict ground-state singly topped baryon masses near 174 GeV, some 1.1-1.5 GeV above the top quark pole mass.

  2. Toponium: the smallest bound state and simplest hadron in quantum mechanics

    hep-ph 2024-12 conditional novelty 6.0 of 10

    Using the b-quark production ratio at sqrt(s) near 341 GeV, a simulated CEPC experiment could discover toponium at over 5 sigma and measure the top 1S mass to about 33 MeV.

  3. Toponium Spectrum in the Complex-Energy Plane

    nucl-th 2026-07 conditional novelty 5.0 of 10

    Toponium's T-matrix poles survive at realistic top width, supporting a quasi-bound-state interpretation despite the spectrum appearing as a single broad peak.

  4. 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.

  5. Probing Yoctosecond Quantum Dynamics in Toponium Formation at Colliders

    hep-ph 2025-07 reject novelty 5.0 of 10

    The authors claim that R_b near 343 GeV can separate instantaneous from delayed toponium formation at more than 5 sigma, but the delayed scenario is parameterized by an undetermined constant A.

  6. Contrasting Pseudoscalar Higgs and Toponium States at the LHC and Beyond

    hep-ph 2024-12 conditional novelty 5.0 of 10

    The paper shows that quantum interference between a 365 GeV pseudoscalar Higgs and the QCD continuum significantly changes its measured ttbar rate, offering observables to distinguish such a Higgs from toponium.

  7. 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.

  8. 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.

  9. Mass and Decay Properties of Toponium Using SUSY QM Factorization Method

    hep-ph 2026-07 conditional novelty 3.5 of 10

    SUSY QM factorization of the Cornell potential yields toponium 1S masses 344.114 and 344.141 GeV, a 2.57 MeV gg width, and radii of 0.015–0.025 fm.

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