Bosonic Quartic Couplings at LHC

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  • 10 October 2003
Abstract
We analyze the potential of the CERN Large Hadron Collider (LHC) to study anomalous quartic vector--boson interactions Z Z gamma gamma, Z Z Z gamma, W+ W- gamma gamma, and $W+ W- Z gamma through the weak boson fusion processes q q -> q q gamma gamma and q q -> q q gamma Z(-> l+ l-) with l = e or muon. After a careful study of the backgrounds and how to extract them from the data, we show that the process p p -> j j gamma l+ l- is potentially the most sensitive to deviations from the Standard Model, improving the sensitivity to anomalous couplings by up to a factor 10^5 (10^3) with respect to the present direct (indirect) limits.

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