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

C. Adloff, V. Andreev, B. Andrieu, T. Anthonis, A. Astvatsatourov, A. Babaev, J. Bähr, P. Baranov, E. Barrelet, W. Bartel, S. Baumgartner, J. Becker, M. Beckingham, A. Beglarian, O. Behnke, C. Beier, A. Belousov, Ch Berger, T. Berndt, J. C. BizotJ. Böhme, V. Boudry, W. Braunschweig, V. Brisson, H. B. Bröker, D. P. Brown, W. Brückner, D. Bruncko, F. W. Büsser, A. Bunyatyan, A. Burrage, G. Buschhorn, L. Bystritskaya, A. J. Campbell, T. Carli, S. Caron

Research output: Contribution to journalArticlepeer-review

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 Q2 between 5 and 100 GeV2, differentially in Q2, in the jet transverse energy ET, in ET 2/Q2 and in the pseudorapidity ηlab. With the renormalization scale μR = ET, 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.

Original languageEnglish
Pages (from-to)193-206
Number of pages14
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume542
Issue number3-4
DOIs
Publication statusPublished - 29 Aug 2002
Externally publishedYes

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