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The top-quark mass: challenges in definition and determination

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arxiv 1903.06574 v2 pith:IZZGMRAS submitted 2019-03-15 hep-ph

The top-quark mass: challenges in definition and determination

classification hep-ph
keywords masstop-quarkphysicsambiguitiescarecarlochallengescrucial
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The top-quark mass is a parameter of paramount importance in particle physics, playing a crucial role in the electroweak precision tests and in the stability of the Standard Model vacuum. I will discuss the main strategies to extract the top-quark mass at the LHC and the interpretation of the measurements in terms of well-posed top-mass definitions, taking particular care about renormalon ambiguities, progress in Monte Carlo event generators for top physics and theoretical uncertainties.

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Cited by 2 Pith papers

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

  1. Top-quark mass interpretation from simulation of top-flavoured mesons

    hep-ph 2026-07 conditional novelty 6.0

    Comparing Pythia top-pair events to fictitious top-meson samples linked by HQET yields a 200–300 MeV shift between the Monte Carlo top mass and the pole mass.

  2. Measurement of the top-quark mass using decays with a $J/\psi$ meson at $\sqrt{s}=$13 TeV with the ATLAS detector

    hep-ex 2025-11 accept novelty 6.0

    Top quark mass measured at 172.17 ± 1.56 GeV via unbinned maximum-likelihood fit to m(ℓ μ⁺μ⁻) in ATLAS Run 2 data using J/ψ decays.