In particle physics, a dijet event is a collision between subatomic particles that produces two particle jets.[1]

Dijet events are measured at LHC to constrain QCD models, in particular the parton evolution equations[2] and parton distribution functions. This is accomplished by measuring the azimuthal correlations between the two jets.

"ATLAS Experiment". 2011-06-21. Retrieved 2013-10-03.
Collaboration, CMS; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.; Frühwirth, R.; Ghete, V. M.; Hammer, J.; Hoch, M.; Hörmann, N.; Hrubec, J.; Jeitler, M.; Kiesenhofer, W.; Krammer, M.; Liko, D.; Mikulec, I.; Pernicka, M.; Rahbaran, B.; Rohringer, C.; Rohringer, H.; Schöfbeck, R.; Strauss, J.; Taurok, A.; Teischinger, F. et al. (2012). "Ratios of dijet production cross sections as a function of the absolute difference in rapidity between jets in proton-proton collisions at sqrt(s) = 7 TeV". The European Physical Journal C 72 (11). arXiv:1204.0696. doi:10.1140/epjc/s10052-012-2216-6.

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