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arXiv 0802.1277hep-ph
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标量非粒子诱导的轻子味破坏Z玻色子衰变

Lepton flavor violating Z boson decays induced by scalar unparticle

E. Iltan

摘要:

在轻子味破坏由标量非粒子介导的情况下,我们预言了轻子味破坏Z玻色子衰变Z \to e^{\pm } μ^{ \pm },Z \to e^{\pm } τ^{ \pm }和Z \to μ^{ \pm } τ^{ \pm }的分支比.我们观察到,它们的分支比对非粒子标度维数非常敏感,当标度维数很小时,对于重轻子味情况,分支比可以达到10^{-8}数量级.

英文摘要:

We predict the branching ratios of the lepton flavor violating Z boson decays Z\to e^{\pm} μ^{\pm}, Z\to e^{\pm} τ^{\pm} and Z\to μ^{\pm} τ^{\pm} in the case that the lepton flavor violation is carried by the scalar unparticle mediation. We observe that their BRs are strongly sensitive to the unparticle scaling dimension and the branching ratios can reach to the values of the order of 10^{-8}, for the heavy lepton flavor case, for the small values of the scaling dimension.

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