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A Measurement of the Azimuthal Decorrelation in Di-jet Events in Proton-proton Collisions at √s = 7 TeV at the Large Hadron Collider

A measurement of the azimuthal decorrelation in di-jet events in proton-proton collisions at $\sqrt{s}= 7\,$TeV is presented. Using $19.6\,$nb$^{-1}$ of data collected in the ATLAS detector this measurement uses the angle ($\Delta\phi$) in the transverse plane between the two leading $p_T$ jets to measure the normalized differential cross section $\frac{1}{\sigma_{tot}}\frac{d\sigma}{d(\Delta\phi)}$. An
unfolding correction is a applied to give a jet-level result. The unfolded spectrum is compared to the predictions of two Monte Carlo event generators: Pythia and Herwig++.

Identiferoai:union.ndltd.org:TORONTO/oai:tspace.library.utoronto.ca:1807/29851
Date31 August 2011
CreatorsRosenbaum, Gabriel
ContributorsKrieger, Peter
Source SetsUniversity of Toronto
Languageen_ca
Detected LanguageEnglish
TypeThesis

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