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A global approach to top-quark flavor-changing interactions

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arxiv 1412.7166 v2 pith:HYTIT345 submitted 2014-12-22 hep-ph hep-ex

A global approach to top-quark flavor-changing interactions

classification hep-ph hep-ex
keywords approachexperimentalglobaladoptanalysisinteractionstop-quarkaccess
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We adopt a fully gauge-invariant effective-field-theory approach for parametrizing top-quark flavor-changing-neutral-current interactions. It allows for a global interpretation of experimental constraints (or measurements) and the systematic treatment of higher-order quantum corrections. We discuss some recent results obtained at next-to-leading-order accuracy in QCD and perform, at that order, a first global analysis of a subset of the available experimental limits in terms of effective operator coefficients. We encourage experimental collaborations to adopt this approach and extend the analysis by using all information they have prime access to.

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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. Counting b-jets at the FCC-ee as a probe of top-quark flavor physics

    hep-ph 2026-07 accept novelty 5.5

    FCC-ee at 240 GeV can probe Λ_eff ∼ 7–13 TeV for scalar, vector and tensor eetu/eetc operators by counting b_P-odd single-b-jet multi-jet events.

  2. Lepton flavor violating top quark FCNC processes at the $\mu$TRISTAN

    hep-ph 2025-06 unverdicted novelty 4.0

    Projected constraints on four-fermion operators for μ e → t q at 346 GeV improve current LHC bounds by roughly an order of magnitude at 100 fb⁻¹ and more at 1 ab⁻¹.