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Measurement of inclusive jet cross-sections in deep-inelastic ep scattering at HERA

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Bunyatyan,  A.
Prof. Bogdan Povh, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Dodonov,  V.
Prof. Bogdan Povh, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Lytkin,  L.
Prof. Bogdan Povh, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Potachnikova,  I.
Prof. Bogdan Povh, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Povh,  B.
Prof. Bogdan Povh, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Citation

Adloff, C., Andreev, V., Andrieu, B., Anthonis, T., Astvatsatourov, A., Babaev, A., et al. (2002). Measurement of inclusive jet cross-sections in deep-inelastic ep scattering at HERA. Physics Letters B, 542(3-4), 193-206.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0011-82BC-C
Abstract
A measurement of inclusive jet cross-sections in deep-inelastic ep scattering at HERA is presented based on data with an integrated luminosity of 21.1 pb(-1). The measurement is performed for photon virtualities Q(2) between 5 and 100 GeV2, differentially in Q(2), in the jet transverse energy E-T, in E- T(2)/Q(2) and in the pseudorapidity eta(lab). With the renormalization scale mu(R) = E-T, perturbative QCD calculations in next-to-leading order (NLO) give a good description of the data in most of the phase space. Significant discrepancies are observed only for jets in the proton beam direction with ET below 20 GeV and Q2 below 20 GeV2. This corresponds to the region in which NLO corrections are largest and further improvement of the calculations is thus of particular interest. (C) 2002 Elsevier Science B.V. All rights reserved.