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Article overview
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Rare Z-decay into light pseudoscalar bosons in the simplest little Higgs model | Lei Wang
; Xiao-Fang Han
; | Date: |
2 Jan 2011 | Abstract: | The simplest little Higgs model predicts a light pseudoscalar boson $eta$
and opens up some new decay modes for $Z$-boson, such as $Z o ar{f} f
eta$, $Z o etaetaeta$, $Z o etagamma$ and $Z o eta gg$. We examine
these decay modes in the parameter space allowed by current experiments, and
find that the branching ratios can reach $10^{-7}$ for $Z o ar{b}beta$,
$10^{-8}$ for $Z o ar{ au} aueta$, and $10^{-8}$ for $Z o etagamma$,
which should be accessible at the GigaZ option of the ILC. However, the
branching ratios can reach $10^{-12}$ for $Z o etaetaeta$, and $10^{-11}$
for $Z o eta gg$, which are hardly accessible at the GigaZ option. | Source: | arXiv, 1101.0412 | Services: | Forum | Review | PDF | Favorites |
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