The Top Quark Decay Vertex in Standard Model Extensions

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dc.creatorBernreuther, Werner
dc.creatorGonzalez, Patrick
dc.creatorWiebusch, Martin
dc.date2008-12-09
dc.date.accessioned2026-07-07T12:55:20Z
dc.date.available2026-07-07T12:55:20Z
dc.descriptionNew physics interactions can affect the strength and structure of the $tbW$ vertex. We investigate the magnitudes and phases of "anomalous" contributions to this vertex in a two-Higgs doublet and the minimal supersymmetric extension of the standard model, and in a top-color assisted technicolor (TC2) model. While the magnitudes of the anomalous couplings remain below 1 percent in the first two models, TC2 interactions can reduce the left-chiral coupling $f_L$ by several percent.
dc.descriptionLatex, 27 pages, 14 figures
dc.identifierhttps://arxiv.org/abs/0812.1643
dc.identifierhttp://arxiv.org/abs/0812.1643
dc.identifierEur.Phys.J.C60:197-211,2009
dc.identifierdoi:10.1140/epjc/s10052-009-0887-4
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/224219
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe Top Quark Decay Vertex in Standard Model Extensions
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