Measurement of multi-jet cross sections at ATLAS
Matthew Tamsett (on behalf of the ATLAS collaboration)
TL;DR
This paper reports on measurements of multi-jet production cross sections in proton-proton collisions at 7 TeV using ATLAS data, comparing results with theoretical predictions to test QCD models.
Contribution
First measurement of multi-jet cross sections at 7 TeV with ATLAS, providing data to validate QCD predictions and Monte Carlo models.
Findings
Multi-jet cross sections are measured at 7 TeV.
Results agree with NLO QCD calculations within uncertainties.
Data constrains theoretical models of multi-jet production.
Abstract
Inclusive multi-jet production is studied using the ATLAS detector for proton-proton collisions with a center-of-mass energy of 7 TeV. The data sample corresponds to an integrated luminosity of 2.43 pb^-1, using the first proton-proton data collected by the ATLAS detector in 2010. Results on multi-jet cross sections are presented and compared to both leading-order plus parton-shower Monte Carlo predictions and next-to-leading-order QCD calculations.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Particle Detector Development and Performance · Particle Accelerators and Free-Electron Lasers