Search for Z' via ZH associated production at LHC
Abstract
Many new physics models predict the existence of extra neutral gauge bosons (Z'). Inspired by the recent development on Higgs search, we study the properties of Z' via the Higgs and Z boson associated production. The couplings of Z' to quarks can be investigated through pp Z' ZH l+l-b b process, which also provides extraordinary signal for understanding the properties of Z'ZH interaction. The standard model background processes can be significantly suppressed by adopting appropriate kinematic cuts. The charged lepton angular distributions are related to the ratio of chiral couplings of Z' to quarks via Z'ZH interaction.
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