The Invisible Z ′ at the LHC

@inproceedings{Petriello2008TheIZ,
  title={The Invisible Z ′ at the LHC},
  author={Frank Petriello and Seth Quackenbush and Kathryn M. Zurek},
  year={2008}
}
We study the feasibility of observing an invisibly decaying Z ′ at the LHC through the process pp → ZZ ′ → l+l−XX†, where X is any neutral, (quasi-) stable particle, whether a Standard Model (SM) neutrino or a new state. The measurement of the invisible width through this process facilitates both a model independent measurement of ΓZ′→ν̄ν and potentially detection of light neutral hidden states. Such particles appear in many models where the Z ′ is a messenger to a hidden sector, and also if… CONTINUE READING

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