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Abazov, V. M.; Abbott, B.; Acharya, B. S.; Nunnemann, T.; Sanders, M. P. (2016): Study of double parton interactions in diphoton plus dijet events in p¯p (p<(p)over bar>) collisions at √s=1.96  TeV (root s = 1.96 TeV). In: Physical Review D, Vol. 93, No. 5, 52008
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Abstract

We use a sample of diphoton + dijet events to measure the effective cross section of double parton interactions, which characterizes the area containing the interacting partons in proton-antiproton collisions, and find it to be sigma(eff) = 19.3 +/- 1.4(stat) +/- 7.8(syst) mb. The sample was collected by the D0 detector at the Fermilab Tevatron collider in p (p) over bar collisions at root s = 1.96 TeV and corresponds to an integrated luminosity of 8.7 fb(-1).