Study of double parton interactions in diphoton + dijet events in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV

Abstract

We use a sample of diphoton + dijet events to measure the effective cross section of double parton interactions, which is found to be ${\sigma }_{\mathrm{eff}}=19.3$ $\pm$ $1.4(\mathrm{stat})$ $\pm$ $7.8(\mathrm{syst})$ mb. The sample was collected by the D0 detector at the Fermilab Tevatron collider in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV and corresponds to an integrated luminosity of 8.7 fb${}^{-1}$.

14 pages, submitted to Phys. Rev. D

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• PYTHIA 6.4 Physics and Manual
• Event generation with SHERPA 1.1
• Design and Implementation of the New D0 Level-1 Calorimeter Trigger
• Transverse nucleon structure and diagnostics of hard parton-parton processes at LHC
• Correlations in double parton distributions at small x

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