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## Measurement of differential cross sections for Z bosons produced in association with charm jets in pp collisions at root s=13 TeV

Abstract: Measurements are presented of differential cross sections for the production of Z bosons in association with at least one jet initiated by a charm quark in pp collisions at s? = 13 TeV. The data recorded by the CMS experiment at the LHC correspond to an integrated luminosity of 35.9 fb?1. The final states contain a pair of electrons or muons that are the decay products of a Z boson, and a jet consistent with being initiated by a charm quark produced in the hard interaction. Differential cross sections as a function of the transverse momentum pT of the Z boson and pT of the charm jet are compared with predictions from Monte Carlo event generators. The inclusive production cross section 405.4 ± 5.6 (stat) ± 24.3 (exp) ± 3.7 (theo) pb, is measured in a fiducial region requiring both leptons to have pseudorapidity |?| < 2.4 and pT > 10 GeV, at least one lepton with pT > 26 GeV, and a mass of the pair in the range 71?111 GeV, while the charm jet is required to have pT > 30 GeV and |?| < 2.4. These are the first measurements of these cross sections in proton-proton collisions at 13 TeV.

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

Fuente: Journal of High Energy Physics, 2021, 04, 109

Editorial: Springer Verlag

Fecha de publicación: 13/04/2021

Nº de páginas: 41

Tipo de publicación: Artículo de Revista

ISSN: 1126-6708,1029-8479

Url de la publicación: https://doi.org/10.1007/JHEP04(2021)109

### Autores/as

SIRUNYAN, A.M.

PEDRO JOSE FERNANDEZ MANTECA

CEDRIC GERALD PRIEELS

FRANCESCA SHUN-NING ANNAROSA RICCI-TAM