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Optimal-Observable Analysis of Possible New Physics Using the b-quark in gamma gamma -> tt -> bX

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arxiv hep-ph/0403174 v3 pith:QD5FZ5GU submitted 2004-03-16 hep-ph

Bohdan Grzadkowski , Zenro Hioki , Kazumasa Ohkuma , Jose Wudka This is my paper · ORCID
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keywords gammacouplingsanalysisb-quarknon-standardoptimal-observablepossibleaccount
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We study possible anomalous top-quark couplings generated by SU(2) x U(1) gauge invariant dimension-6 effective operators, using the final b-quark momentum distribution in gamma gamma -> tt -> bX. Taking into account non-standard tt gamma, tbW and gamma gamma H couplings, we perform an optimal-observable analysis in order to estimate the precision for the determination of all relevant non-standard couplings.

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Cited by 1 Pith paper

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  1. 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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