Measurements of angular distance and momentum ratio distributions in three-jet and Z + two-jet final states in pp collisions

CMS Collaboration

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

5 Citas (Scopus)

Resumen

Collinear (small-angle) and large-angle, as well as soft and hard radiations are investigated in three-jet and Z + two-jet events collected in proton-proton collisions at the LHC. The normalized production cross sections are measured as a function of the ratio of transverse momenta of two jets and their angular separation. The measurements in the three-jet and Z + two-jet events are based on data collected at a center-of-mass energy of 8TeV, corresponding to an integrated luminosity of 19.8fb-1. The Z + two-jet events are reconstructed in the dimuon decay channel of the Z boson. The three-jet measurement is extended to include s=13TeV data corresponding to an integrated luminosity of 2.3fb-1. The results are compared to predictions from event generators that include parton showers, multiple parton interactions, and hadronization. The collinear and soft regions are in general well described by parton showers, whereas the regions of large angular separation are often best described by calculations using higher-order matrix elements.

Idioma originalInglés
Número de artículo852
PublicaciónEuropean Physical Journal C
Volumen81
N.º9
DOI
EstadoPublicada - sep. 2021

Huella

Profundice en los temas de investigación de 'Measurements of angular distance and momentum ratio distributions in three-jet and Z + two-jet final states in pp collisions'. En conjunto forman una huella única.

Citar esto