Supersymmetric electroweak corrections to t bar{t} h associated production at e+e- colliders

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dc.creatorWu, Xiao-Hong
dc.creatorLi, Chong Sheng
dc.creatorLiu, Jian Jun
dc.date2003-08-01
dc.date.accessioned2026-07-07T03:50:18Z
dc.date.available2026-07-07T03:50:18Z
dc.descriptionThe electroweak corrections of order ${\cal O}(α_{\rm em} m^2_{t,b}/m^2_w)$ and ${\cal O}(α_{\rm em} m^3_{t,b}/m^3_w)$ to Higgs boson associated production with top quark pair are calculated at $e^+e^-$ colliders in the standard model (SM), the two-Higgs-doublet model (2HDM) and the minimal supersymmetric standard model (MSSM). These corrections are a few percent in general, and in the MSSM they can be over ten percent for favorable parameter values allowing by current precise experiments. The total cross sections including the electroweak corrections get their maximal near $\sqrt{s} = 700$GeV, and can reach 2.8 fb, 2.7 fb and 2.5 fb in the SM, the 2HDM and the MSSM, respectively.
dc.description22 pages and 15 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0308012
dc.identifierhttp://arxiv.org/abs/hep-ph/0308012
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/42720
dc.subjectHigh Energy Physics - Phenomenology
dc.titleSupersymmetric electroweak corrections to t bar{t} h associated production at e+e- colliders
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