Measurement of differential cross sections for Z boson production in association with jets in proton-proton collisions at √s=13TeV

Publications Committee CMS_Collaboration

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The production of a Z boson, decaying to two charged leptons, in association with jets in proton-proton collisions at a centre-of-mass energy of 13TeV is measured. Data recorded with the CMS detector at the LHC are used that correspond to an integrated luminosity of 2.19fb-1. The cross section is measured as a function of the jet multiplicity and its dependence on the transverse momentum of the Z boson, the jet kinematic variables (transverse momentum and rapidity), the scalar sum of the jet momenta, which quantifies the hadronic activity, and the balance in transverse momentum between the reconstructed jet recoil and the Z boson. The measurements are compared with predictions from four different calculations. The first two merge matrix elements with different parton multiplicities in the final state and parton showering, one of which includes one-loop corrections. The third is a fixed-order calculation with next-to-next-to-leading order accuracy for the process with a Z boson and one parton in the final state. The fourth combines the fully differential next-to-next-to-leading order calculation of the process with no parton in the final state with next-to-next-to-leading logarithm resummation and parton showering.

Original languageEnglish
Article number965
JournalEuropean Physical Journal C
Volume78
Issue number11
DOIs
Publication statusPublished - 1 Nov 2018

Fingerprint

Bosons
partons
Protons
bosons
Momentum
collisions
protons
transverse momentum
cross sections
logarithms
center of mass
leptons
Luminance
Kinematics
kinematics
luminosity
scalars
Detectors
momentum
detectors

Keywords

  • CMS
  • Cross section
  • Jets
  • LHC
  • Physics
  • Proton
  • Standard model
  • Z boson

ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)

Cite this

Measurement of differential cross sections for Z boson production in association with jets in proton-proton collisions at √s=13TeV. / Publications Committee CMS_Collaboration.

In: European Physical Journal C, Vol. 78, No. 11, 965, 01.11.2018.

Research output: Contribution to journalArticle

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abstract = "The production of a Z boson, decaying to two charged leptons, in association with jets in proton-proton collisions at a centre-of-mass energy of 13TeV is measured. Data recorded with the CMS detector at the LHC are used that correspond to an integrated luminosity of 2.19fb-1. The cross section is measured as a function of the jet multiplicity and its dependence on the transverse momentum of the Z boson, the jet kinematic variables (transverse momentum and rapidity), the scalar sum of the jet momenta, which quantifies the hadronic activity, and the balance in transverse momentum between the reconstructed jet recoil and the Z boson. The measurements are compared with predictions from four different calculations. The first two merge matrix elements with different parton multiplicities in the final state and parton showering, one of which includes one-loop corrections. The third is a fixed-order calculation with next-to-next-to-leading order accuracy for the process with a Z boson and one parton in the final state. The fourth combines the fully differential next-to-next-to-leading order calculation of the process with no parton in the final state with next-to-next-to-leading logarithm resummation and parton showering.",
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AU - Wulz, C. E.

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AU - Chekhovsky, V.

AU - Mossolov, V.

AU - Gonzalez, J. Suarez

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AU - Kim, J.

AU - Kim, J.

AU - Kim, J.

AU - Zarubin, A.

AU - Ivanov, Y.

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KW - CMS

KW - Cross section

KW - Jets

KW - LHC

KW - Physics

KW - Proton

KW - Standard model

KW - Z boson

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