Lepton flavor conserving Z boson decays and scalar unparticle

Details Lepton flavor conserving Z boson decays and scalar unparticle Lepton flavor conserving Z boson decays and scalar unparticle

2008-04-15

arxiv.org/abs/0804.2456v2

Mod.Phys.Lett.A24:377-392,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 1 table, 7 figures

Scientific paper

10.1142/S0217732309027455

We predict the contribution of scalar unparticle to the branching ratios of
the lepton flavor conserving Z -> l^+ l^- decays and we study the discrepancy
between the experimental and the QED corrected standard model branching ratios.
We observe that these decays are sensitive to the unparticle scaling dimension
d_u for its small values, especially for heavy lepton flavor output.

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