Measurement of Dijet electroproduction at small jet separation

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Deep-inelastic scattering data in the range 150 <Q(2) <35000 GeV2 are used to investigate the minimum jet separation necessary to allow accurate description of the rate of dijet production using next-to-leading order perturbative QCD calculations. The required jet separation is found to be small, allowing about 1/3 of DIS data to be classified as dijet, as opposed to approximately 1/10 with more typical jet analyses. A number of precision measurements made using this dijet sample are well described by the calculations. The data are also described by the combination of leading order matrix elements and parton showers, as implemented in the QCD based Monte Carlo model RAPGAP.


Original languageEnglish
Pages (from-to)33-41
Number of pages9
JournalEuropean Physical Journal C
Issue number1
Publication statusPublished - 1 May 2002