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Searching for the Vector-Like Top Quark T at the Future Linac-Ring-Type ep Collider

The little-Higgs models typically contain a new vector-like top quark T, which plays a key role in breaking the electroweak symmetry. In the context of the littlest Higgs (LH) model, we study single production of this kind of new particles via the process ep→eb→νeT in the future linac-ring-type ep collider (LC⊗LHC). We find that the production cross section is in the range of 1.2×10−4–0.48 pb at the LC⊗LHC with (s)1/2 = 3.7 TeV.