Abstract

We study the charged top-pion in the topcolor assisted technicolor model(TC2), and calculate the production of charged top-pion at e+e− and γγ colliders. At an e+e− collider, charged top-pion can be produced via the processes e+e− → tbb̄π−t(t̄bπ+t). At a γγ collider, it can be produced via the processes γγ → tb̄π−t(t̄bπ+t). The cross section can reach to a few of fb depending on the mass of the charged top-pion.

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