New physics effect on the top-Yukawa coupling at ILC

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dc.creatorKanemura, Shinya
dc.creatorMatsuda, Koichi
dc.creatorNomura, Daisuke
dc.creatorTsumura, Koji
dc.date2007-10-14
dc.date2007-10-21
dc.date.accessioned2026-07-07T12:41:19Z
dc.date.available2026-07-07T12:41:19Z
dc.descriptionMeasurement of the top-Yukawa coupling is important to understand the fermion mass generation mechanism and dynamics of electroweak symmetry breaking. We discuss the top quark anomalous couplings which can be described by higher dimensional operators. We investigate the process $e^-e^+ \to W^-W^+ν\barν\to t \bar t ν\barν$ to study the contribution of the anomalous top-Higgs coupling to the cross section. The effect of the dimension-six top-Higgs interaction on the cross section can be a few hundred percent greater than the SM prediction. Such a large effect can be measured at the International Linear Collider.
dc.descriptionSubmitted for the LCWS07 proceedings, 5 pages, 4 eps figures, ilcws07.cls, references added
dc.identifierhttps://arxiv.org/abs/0710.2644
dc.identifierhttp://arxiv.org/abs/0710.2644
dc.identifierECONF C0705302:HIG17,2007
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/219728
dc.subjectHigh Energy Physics - Phenomenology
dc.titleNew physics effect on the top-Yukawa coupling at ILC
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