Full one-loop supersymmetric electroweak corrections to $t\bar{t}{h}^0$ associated production in $e^{+}{e}^{-}$ annihilation

Abstract

We present a precise calculation of the lightest neutral Higgs boson production associated with top quark pair at a linear collider. The full one-loop electroweak $\mathcal{O}({\alpha }_{ew})$ contributions to the process $e^{+}{e}^{-}\to t\bar{t}{h}^0$ within the minimal supersymmetric standard model (MSSM) are included. We analyze the dependence of the electroweak corrections on the MSSM parameters such as $M_{A^0}$, $\tan \beta$, $M_2$, $A_f$, $M_{SUSY}$ and $\mu$. The results show that the full one-loop electroweak radiative corrections turn out to be about -20% quantitatively and thus are important for future $e^{+}{e}^{-}$ linear colliders.

22 pages, 16 figures,LaTex, added references, to be appeared in PRD

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Cited by in corpus (2)

• Electroweak radiative corrections to the Higgs-boson production in association with $Z^0$-boson pair at $e^{+}{e}^{-}$ colliders
• Full one-loop electroweak corrections to $h^0(H^0,A^0)H^{\pm }{W}^{\mp }$ associated productions at $e^{+}{e}^{-}$ linear colliders