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Probing Anomalous Top-Quark Couplings Induced by Dim.6 Operators at Photon Colliders

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arxiv hep-ph/0310159 v3 pith:MGGI24KH submitted 2003-10-14 hep-ph hep-ex

Bohdan Grzadkowski (Warsaw U. & CERN) , Zenro Hioki (U. Tokushima) , Kazumasa Ohkuma (Fukui U. Technology) , Jose Wudka (UC Riverside) This is my paper · ORCID
classification hep-phhep-ex
keywords gammacouplingsanomaloust-barasymmetrycollidersincludinginduced
verification ladder T0 review T1 audit T2 compute T3 formal
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Possible anomalous top-quark couplings induced by SU(2) x U(1) gauge-invariant dimension-6 effective operators were studied in the process of t t-bar productions and decays at polarized gamma gamma colliders. Two CP-violating asymmetries, a linear-polarization asymmetry and a circular-polarization asymmetry, were computed including both non-standard [t t-bar gamma] and [gamma gamma H] couplings. An optimal-observable analysis for the process gamma gamma --> t t-bar --> l^{+-} ... was performed in order to estimate the precision for determination of all relevant non-standard couplings, including the anomalous tbW coupling.

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Cited by 2 Pith papers

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

  1. Dimension-Six Terms in the Standard Model Lagrangian

    hep-ph 2010-08 accept novelty 7.0 of 10

    Re-enumeration of dimension-six SM operators yields 59 independent terms (15+19+25) when baryon number is conserved, versus 80 previously.

  2. Optimal sensitivity of anomalous charged triple gauge couplings through $W$ boson helicity at the $e^+e^-$ colliders

    hep-ph 2024-11 conditional novelty 4.0 of 10

    SMEFT sensitivities to anomalous WWV couplings at a 3 TeV e+e- collider are improved by 1 to 2 orders of magnitude over LHC limits when using optimal observables and W helicity selection.

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