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Measurement of differential cross sections for Z boson pair production in association with jets at s=8 and 13 TeV

Abstract: This Letter reports measurements of differential cross sections for the production of two Z bosons in association with jets in proton?proton collisions at s=8 and 13?TeV. The analysis is based on data samples collected at the LHC with the CMS detector, corresponding to integrated luminosities of 19.7 and 35.9fb?1 at 8 and 13?TeV, respectively. The measurements are performed in the leptonic decay modes ZZ??+????+???, where ?,??=e,?. The differential cross sections as a function of the jet multiplicity, the transverse momentum pT, and pseudorapidity of the pT -leading and subleading jets are presented. In addition, the differential cross sections as a function of variables sensitive to the vector boson scattering, such as the invariant mass of the two pT -leading jets and their pseudorapidity separation, are reported. The results are compared to theoretical predictions and found in good agreement within the theoretical and experimental uncertainties.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Physics Letters B, 789 19-44 (2019)

Editorial: Elsevier

 Fecha de publicación: 01/02/2019

Nº de páginas: 26

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.physletb.2018.11.007

ISSN: 0370-2693,1873-2445

Url de la publicación: https://doi.org/10.1016/j.physletb.2018.11.007