Z plus jets at 13 TeV

ATLAS_2017_I1514251:LMODE=MU in analysis pool ATLAS_13_MMJET

Measurements of the production cross section of a $Z$ boson in association with jets in proton-proton collisions at $\sqrt{s}=13$ TeV are presented, using data corresponding to an integrated luminosity of 3.16 fb${}^{-1}$ collected by the ATLAS experiment at the CERN Large Hadron Collider in 2015. Inclusive and differential cross sections are measured for events containing a $Z$ boson decaying to electrons or muons and produced in association with up to seven jets with $p_\text{T}>30$ GeV and $|y|<2.5$. Predictions from different Monte Carlo generators based on leading-order and next-to-leading-order matrix elements for up to two additional partons interfaced with parton shower and fixed-order predictions at next-to-leading order and next-to-next-to-leading order are compared with the measured cross sections. Good agreement within the uncertainties is observed for most of the modelled quantities, in particular with the generators which use next-to-leading-order matrix elements and the more recent next-to-next-to-leading-order fixed-order predictions.

Inspire record | arXiv:1702.05725 [hep-ex] | Eur. Phys. J. C77 (2017) 361

d02-x01-y01