One-loop effects of Minimal Supersymmetric Standard Model particles in |$e^-e^+o Zh$| and |$e^-e^+o uaru h$| at the International Linear Collider

摘要

The one-loop effects of the Minimal Supersymmetric Standard Model (MSSM) at the International Linear Collider (ILC) are investigated through numerical analysis, studying the Higgs production processes |$e^-e^+ightarrow Zh$| and |$e^-e^+ightarrow uar{u}h$| at the ILC. It is found that the magnitude of the MSSM contribution through the one-loop effects is sizable enough to be detected. In the study, three sets of MSSM parameters are proposed that are consistent with the observed Higgs mass, the muon |$g$|-|$2$|?, the dark matter abundance, and the decay branching ratios of |$B$| mesons. In the |$e^-e^+ightarrow Zh$| process, the one-loop effects of the MSSM are visible and distinction of the parameter sets is partially possible. For the study of |$e^-e^+ightarrow uar{u}h$|?, we used the equivalent |$W$|-boson approximation in the evaluation of the one-loop cross section. While the one-loop effect of the MSSM is visible, distinction of the parameter sets might not be possible in this process under a realistic luminosity value at the ILC.