Z ′-boson dilepton searches and the high-x quark density

Fiaschi, J., Giuli, F., Hautmann, F., Moch, S. and Moretti, S. (2023) Z ′-boson dilepton searches and the high-x quark density. Physics Letters B, 841, [137915]. (doi:10.1016/j.physletb.2023.137915).

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Abstract

We study the influence of theoretical systematic uncertainties due to the quark density on LHC experimental searches for Z^\primeZ′-bosons. Using an approach originally proposed in the context of the ABMP16 PDF set for the high-xx behaviour of the quark density, we presents results on observables commonly used to study Z^\primeZ ′ signals in dilepton channels.

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Accepted/In Press date: 11 April 2023

e-pub ahead of print date: 18 April 2023

Published date: 11 June 2023

Additional Information: The work of J. Fiaschi has been supported by STFC under the Consolidated Grant ST/T000988/1. F. Hautmann acknowledges funding from the Chinese Academy of Sciences President's International Fellowship Initiative, grant No. 2022VMA0005. S. Moretti is supported in part through the NExT Institute and acknowledges funding from the STFC Consolidated Grant ST/L000296/1. S. Moch is supported in part by the Bundesministerium für Bildung und Forschung under contract 05H21GUCCA.

Keywords: hep-ph