The rare top decay $t\to c g$ in topcolor assisted technicolor models

Details The rare top decay $t\to c g$ in topcolor assisted technicolor models The rare top decay $t\to c g$ in topcolor assisted technicolor models

2001-07-26

arxiv.org/abs/hep-ph/0107270v2

Phys.Rev. D64 (2001) 095004

Physics

High Energy Physics

High Energy Physics - Phenomenology

to be published in Phys. Rev. D, several references added

Scientific paper

10.1103/PhysRevD.64.095004

In the framework of topcolor-assisted technicolor(TC2) models, we calculate the contributions of flavor changing scalar couplings involved the neutral top-pion $\pi_{t}^{0}$ and top-Higgs $h_{t}^{0}$ to the branching ratio $B_{r}(t\longrightarrow cg)$. We find that the value of $B_{r}(t\longrightarrow cg)$ can reach $ 1\times10^{-3}$ with reasonable values of the parameters in TC2 models, which may be testable in the future experiments.

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