Electromagnetic Production of Quarkonium in $Z^0$ decay

Abstract

The decay $Z^0\to Q+{\ell }^{+}{\ell }^{-}$, where $Q$ is a $J^{PC}=1^{--}$ quarkonium state, has a very clean final state, which should make it easy to detect. The branching ratio of this mode is greater than $10^{-6}$ for $\rho$, $\varphi$, and $\psi$, indicating that these processes may be detectable at LEP.

Latex, 6 pages, 2 figure in postscript format (uuencoded), (or available upon request), NUHEP-TH-93-10

Cited by in corpus (15)

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• Rare $W$-boson decays into a vector meson and lepton pair
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• Observation of the decay $\mathrm{Z}\to \psi {\ell }^{+}{\ell }^{-}\to {\mu }^{+}{\mu }^{-}{\ell }^{+}{\ell }^{-}$ with the CMS detector