Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-10-19
Phys.Rev. D72 (2005) 095005
Physics
High Energy Physics
High Energy Physics - Phenomenology
accepted by Phys.Rev.D
Scientific paper
10.1103/PhysRevD.72.095005
The complete one-loop electroweak corrections to charged Higgs boson pair production in $\gamma\gamma$ collision mode at linear colliders in the minimal supersymmetric standard model (MSSM), are calculated in this paper. We discuss the dependence of the corrections to the subprocess $\gamma\gamma \to H^{+}H^{-}$ on the related parameters, such as the colliding energy, charged Higgs boson mass $M_{H^{\pm}}$ and some supersymmetric parameters $\tan \beta$, $M_{SUSY}$ and gaugino mass parameter $M_2$. We find that the corrections generally reduce the Born cross sections and the relative one-loop corrections to both the subprocess typically in the range of -10% to -30%. We also present the numerical results at the SPS1a' point from the SPA project. We conclude that the full one-loop electroweak corrections to subprocess $\gamma \gamma \to H^{+}H^{-}$ and the parent process $e^+e^- \to \gamma \gamma \to H^{+}H^{-}$ are significant and therefore should be considered in precise analysis of charged Higgs boson pair productions via $\gamma\gamma$ collision at future linear colliders.
Lei Wang
Liang Han
Ren-You Zhang
Wen-gan Ma
Yi Jiang
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