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Top quark polarization as a probe of $t\bar{t}$ threshold dynamics

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arxiv hep-ph/9403246 v1 pith:O4RDP3WV submitted 1994-03-08 hep-ph

V.S. Fadin , V.A. Khoze , M.I. Kotsky This is my paper · ORCID
classification hep-ph
keywords polarizationquarkpropertiesthresholdallowalphacollisionsdetermine
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abstract

We study the spin properties of top quarks produced in collisions of polarized photons in the threshold region. For a relatively heavy top quark the influence of non-perturbative effects is small and its polarization parameters can be predicted in perturbative QCD. The measurements of the top polarization may allow a novel test of QCD in the $t\bar{t}$ system. In particular, they may provide a new way to determine the precise value of $\alpha_s$ and to study the properties of the top quark.

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Cited by 3 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. Masses of Purely Top-Quark Bound States: Toponium and the Triply-Top Baryon

    hep-ph 2025-11 unverdicted novelty 5.0 of 10

    QCD sum-rule calculations give negative binding energies for toponium states consistent with near-threshold experimental signals and a central mass for the triply-top baryon slightly above three times the top-quark mass.

  3. 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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