Leptonic Z decays in the littlest Higgs model with T-parity
نویسندگان
چکیده
The littlest Higgs model with T-parity (called the LHT model) predicts the existence of the T-odd leptons, which can generate contributions to some leptonic processes at the one-loop level. We calculate their contributions to the leptonic Z decay processes Z → ll̄′, Z → ll̄, and Z → νν̄. We find that the T-odd leptons can give significant contributions to the branching ratios of these decay processes in most of the parameter space. The experimental measurement values might generate constraints on the free parameters of the LHT model. PACS numbers: 12.60.Cn, 12.15.Lk, 13.38.Dg ∗E-mail:[email protected] 1
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تاریخ انتشار 2008