Abstract
We study the pair production of the vector-like lepton singlet decaying into at the International Linear Collider (ILC) with the center-of-mass in a simplified model. Considering the polarized degrees of electron and photon beams , , we implement a detailed detector simulation of the signal and backgrounds. For comparison, we investigate the search at leptonic channel and hadronic channel of the W boson, respectively. We find that the ILC can exclude (discover) the region [180 GeV, 240 GeV] with an integrated luminosity of ([0.305, 1.102] ) in the hadronic channel, and can exclude (discover) the region [180 GeV, 240 GeV] with an integrated luminosity of [1.83, 19.4] ([11.7, 117.8] ) in the leptonic channel. If these two results are combined, we find that the ILC can exclude (discover) the region [180 GeV, 240 GeV] with lower integrated luminosity.
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