Ultraviolet divergences of flavor changing amplitudes in the littlest Higgs model with T-parity

Abstract

Flavor changing neutral current processes are studied in the littlest Higgs model with T-parity. It is found that the logarithmic divergence reported earlier in Z boson flavor changing processes is exactly canceled by contributions from additional interaction terms of heavy fermions and the Z boson. Phenomenological impact on the K --> pi nu nu_bar processes is discussed.

14 pages, 3 figures

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