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Measurement of four-jet differential cross sections in √s=8 TeV proton-proton collisions using the ATLAS detector

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Article number105
<mark>Journal publication date</mark>16/12/2015
<mark>Journal</mark>Journal of High Energy Physics
Issue number12
Volume2015
Number of pages76
StatePublished
Original languageEnglish

Abstract

Differential cross sections for the production of at least four jets have been measured in proton-proton collisions at √s=8 TeV at the Large Hadron Collider using the ATLAS detector. Events are selected if the four anti-ktR = 0.4 jets with the largest transverse momentum (pT) within the rapidity range |y| < 2.8 are well separated (ΔR4jmin > 0.65), all have pT > 64 GeV, and include at least one jet with pT > 100 GeV. The dataset corresponds to an integrated luminosity of 20.3 fb−1. The cross sections, corrected for detector effects, are compared to leading-order and next-to-leading-order calculations as a function of the jet momenta, invariant masses, minimum and maximum opening angles and other kinematic variables.