Abstract The minimal dilaton model （MDM） extends the Standard Model by one singlet scalar called dilaton andone top quark partner called t. In this work we investigate the t-induced radiative correction to the Higgs...Abstract The minimal dilaton model （MDM） extends the Standard Model by one singlet scalar called dilaton andone top quark partner called t. In this work we investigate the t-induced radiative correction to the Higgs-strahlung production process e＋e^→ Zh at future Higgs factory. We first present the analytical calculations in detail and show how to handle the ultraviolet divergence. Then we calculate the correction numerically by considering the constraints from precision electroweak data. We find that, for sinθL=0.2 and mt= 1200 GeV, the correction is 0.26% and 2.1% for SE＋E = 240 GeV, 1 TeV respectively, and a larger value can be achieved as sin θL increases.展开更多
基金Supported by the National Natural Science Foundation of China under Grant No.11305050by Specialized Research Fund for the Doctoral Program of Higher Education under Grant No.20124104120001
文摘Abstract The minimal dilaton model （MDM） extends the Standard Model by one singlet scalar called dilaton andone top quark partner called t. In this work we investigate the t-induced radiative correction to the Higgs-strahlung production process e＋e^→ Zh at future Higgs factory. We first present the analytical calculations in detail and show how to handle the ultraviolet divergence. Then we calculate the correction numerically by considering the constraints from precision electroweak data. We find that, for sinθL=0.2 and mt= 1200 GeV, the correction is 0.26% and 2.1% for SE＋E = 240 GeV, 1 TeV respectively, and a larger value can be achieved as sin θL increases.
