2011

Measurement of the Ratio of the 3-jet to 2-jet Cross Sections in pp Collisions at sqrt(s) = 7 TeV

CMS Collaboration

Understand

A measurement of the ratio of the inclusive 3-jet to 2-jet cross sections as a function of the total jet transverse momentum, HT, in the range 0.2 < HT < 2.5 TeV is presented.

The data have been collected at a proton-proton centre-of-mass energy of 7 TeV with the CMS detector at the LHC, and correspond to an integrated luminosity of 36 inverse picobarns.
Comparisons are made between the data and the predictions of different QCD-based Monte Carlo models for multijet production.
All models considered in this study are consistent with the data for HT > 0.5 TeV.

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