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Measurement of the ZZ production cross section and Z ? ?+????+??? branching fraction in pp collisions at s=13 TeV

Abstract: Four-lepton production in proton?proton collisions, pp?(Z/??)(Z/??)?+?+?, where , =eor ?, is studied at a center-of-mass energy of 13TeV with the CMS detector at the LHC. The data sample corresponds to an integrated luminosity of 2.6fb?1. The ZZ production cross section, ?(pp?ZZ) =14.6+1.9?1.8(stat) +0.5?0.3(syst) ±0.2 (theo)±0.4 (lumi) pb, is measured for events with two opposite-sign, same-flavor lepton pairs produced in the mass region 60 4GeVfor all opposite-sign, same-flavor lepton pairs. The results are in agreement with standard model predictions.

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

 Fuente: Physics Letters B, Vol.763, Pp. 280?303 (2016)

Editorial: Elsevier

 Fecha de publicación: 01/12/2016

Nº de páginas: 24

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.physletb.2016.10.054

ISSN: 0370-2693,1873-2445

Url de la publicación: https://doi.org/10.1016/j.physletb.2016.10.054