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

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

2008-09-27

arxiv.org/abs/0809.4753v1

Phys.Lett.B670:378-382,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 3 figures

Scientific paper

10.1016/j.physletb.2008.11.022

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.

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