Abstract
In this paper, we study the single neutral top-higgs (ht0) production processes at the CERN Large Hadron Collider (LHC) and the International Linear Collider (ILC). At the LHC, the production rates of processes pp → Z(W)ht0 are too small to detect ht0. However, with the reasonable parameter values, the cross sections can reach the level of 102 fb for qq → qqht0 process and 103 fb for top quark associated production process pp → tht0 + X, respectively. At the ILC, we study the single top-higgs production processes e−γ → νeW−ht0 and γγ → W+W−ht0 in e−γ and γγ collisions. It is found that the production cross sections can reach the level of a few fb with reasonable parameter values. Furthermore, such processes with the flavor-changing decay mode \(h_t^0 \to t\bar c\) might provide typical signatures to detected the top-higgs. Therefore, it is hopeful to find the signal of top-higgs at the LHC and ILC experiments via theses processes and test the TC2 model directly.
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