Internal Jet Structure in Dijet Production in Deep-Inelastic Scattering
P. -O. Meyer
Abstract
The internal jet structure in dijet production in deep-inelastic scattering is measured with the H1 detector at HERA. Jets with transverse energies E(T,breit) > 5 GeV are selected in the Breit frame employing kt and cone jet algorithms in the kinematic region of squared momentum transfers of 10 < Q2 < 120 GeV2 and x-Bjorken values of 0.0002 < x < 0.008. Jet shapes and subjet multiplicities are measured as functions of a resolution parameter. The corrected data are well described by QCD models. It is observed that jets are more collimated with increasing transverse jet energies and decreasing pseudo-rapidities, i.e. towards the photon direction. Comparisons with OPAL data show that jet shapes of jets measured in photon-photon collisions are very similar to those measured in ep collisions.
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