Lepton flavor violating signals of a little Higgs model at the high energy linear $e^{+}e^{-}$ colliders

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dc.creatorYue, Chong-Xing
dc.creatorZhao, Shuang
dc.date2007-01-03
dc.date2007-01-20
dc.date.accessioned2026-07-07T10:37:42Z
dc.date.available2026-07-07T10:37:42Z
dc.descriptionLittlest Higgs $(LH)$ model predicts the existence of the doubly charged scalars $Φ^{\pm\pm}$, which generally have large flavor changing couplings to leptons. We calculate the contributions of $Φ^{\pm\pm}$ to the lepton flavor violating $(LFV)$ processes $l_{i}\to l_{j}γ$ and $l_{i}\to l_{j}l_{k}l_{k}$, and compare our numerical results with the current experimental upper limits on these processes. We find that some of these processes can give severe constraints on the coupling constant $Y_{ij}$ and the mass parameter $M_Φ$. Taking into account the constraints on these free parameters, we further discuss the possible lepton flavor violating signals of $Φ^{\pm\pm}$ at the high energy linear $e^{+}e^{-}$ collider $(ILC)$ experiments. Our numerical results show that the possible signals of $Φ^{\pm\pm}$ might be detected via the subprocesses $e^{\pm}e^{\pm}\to l^{\pm}l^{\pm}$ in the future $ILC$ experiments.
dc.description16 pages, 7 figures. Discussions and references added, typos corrected
dc.identifierhttps://arxiv.org/abs/hep-ph/0701017
dc.identifierhttp://arxiv.org/abs/hep-ph/0701017
dc.identifierEur.Phys.J.C50:897-903,2007
dc.identifierdoi:10.1140/epjc/s10052-007-0234-6
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/180469
dc.subjectHigh Energy Physics - Phenomenology
dc.titleLepton flavor violating signals of a little Higgs model at the high energy linear $e^{+}e^{-}$ colliders
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