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## Measurements of the differential cross sections of the production of Z plus jets and gamma plus jets and of Z boson emission collinear with a jet in pp collisions at root s=13 TeV

Abstract: Measurements of the differential cross sections of Z + jets and g + jets production, and their ratio, are presented as a function of the boson transverse momentum. Measurements are also presented of the angular distribution between the Z boson and the closest jet. The analysis is based on pp collisions at a center-of-mass energy of 13TeV corresponding to an integrated luminosity of 35.9 fb?1 recorded by the CMS experiment at the LHC. The results, corrected for detector effects, are compared with various theoretical predictions. In general, the predictions at higher orders in perturbation theory show better agreement with the measurements. This work provides the first measurement of the ratio of the differential cross sections of Z + jets and g + jets production at 13TeV, as well as the first direct measurement of Z bosons emitted collinearly with a jet.

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

Fuente: Journal of High Energy Physics volume 2021, Article number: 285 (2021)

Editorial: Springer Verlag

Fecha de publicación: 31/05/2021

Nº de páginas: 43

Tipo de publicación: Artículo de Revista

ISSN: 1126-6708,1029-8479

Url de la publicación: https://doi.org/10.1007/JHEP05(2021)285

### Autores/as

SIRUNYAN, A.M.

PEDRO JOSE FERNANDEZ MANTECA

CEDRIC GERALD PRIEELS

FRANCESCA SHUN-NING ANNAROSA RICCI-TAM