Measurement of the ratio of the 3-jet to 2-jet cross sections in pp collisions at root s=7 TeV

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Abstract

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 < H(T) < 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 pb(-1). 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 H(T) > 0.5 TeV. This measurement extends to an H(T) range that has not been explored before. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved.

Autore Pugliese

Tutti gli autori

  • SELVAGGI G.

Titolo volume/Rivista

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Anno di pubblicazione

2011

ISSN

0370-2693

ISBN

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Numero di citazioni Wos

19

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