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Anomalous Z ′ and diboson resonances at the LHC

Published in Journal of High Energy Physics. 2018, vol. 1804, p. 122
Collection Open Access - SCOAP3
Abstract We propose novel collider searches which can significantly improve the LHC reach to new gauge bosons Z ′ with mixed anomalies with the electroweak (EW) gauge group. Such a Z ′ necessarily acquires a Chern-Simons coupling to the EW gauge bosons and these couplings can drive both exotic Z decays into Z ′γ if the new gauge boson is sufficiently light, as well as Z ′ decays into EW gauge bosons. While the exotic decay rate of the heavy Z into Z ′γ is too small to be observed at the LHC, for a light Z ′, we show the potential of a lepton jet search in association with a photon to probe the rare decay Z → Z ′γ.
Keywords Phenomenological Models
arXiv: 1712.01840
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ISMAIL, Ahmed, KATZ, Andrey. Anomalous Z ′ and diboson resonances at the LHC. In: Journal of High Energy Physics, 2018, vol. 1804, p. 122. https://archive-ouverte.unige.ch/unige:104089

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Deposited on : 2018-05-07

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