Measurement of inclusive jet cross sections in photoproduction at HERA

C Adloff, Yves Coppens, John Dowell, Peter Faulkner, Yves Fleming, John Garvey, Carrie Johnson, Ian Kenyon, David Lamb, Paul Newman, Syed Rizvi, Paul Thompson, Ethan-Etienne Woehrling

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Inclusive jet cross sections are measured in photoproduction at HERA using the H1 detector. The data sample of e(+)p --> e(+) + jet + X events in the kinematic range of photon virtualities Q(2) less than or equal to 1GeV(2) and photon-proton centre-of-mass energies 95 less than or equal to W-gammap less than or equal to 285GeV represents an integrated luminosity of 24.1pb(-1). Jets are defined using the inclusive k(perpendicular to) algorithm. Single- and multi-differential cross sections are measured as functions of jet transverse energy E-T(jet) and pseudorapidity eta(jet) in the domain 5 less than or equal to E-T(jet) less than or equal to 75GeV and -1 less than or equal to eta(jet) less than or equal to 2.5. The cross sections are found to be in good agreement with next-to-leading order perturbative QCD calculations corrected for fragmentation and underlying event effects. The cross section differential in E-T(jet), which varies by six orders of magnitude over the measured range, is compared with similar distributions from p (p) over bar colliders at equal and higher energies.
Original languageEnglish
Pages (from-to)497-513
Number of pages17
JournalEuropean Physical Journal C
Volume29
Issue number4
DOIs
Publication statusPublished - 1 Aug 2003

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