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Measurement of inclusive jet cross-sections in photoproduction at HERA |
| Reference |
Final results expected for DIS03, Spring 2003 |
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| Contact |
Bernard Andrieu |
| 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 Q2 < 1GeV2 and photon-proton centre-of-mass energies 95 < W < 285 GeV represents an integrated luminosity of 24.1 pb-1. Jets are defined using the inclusive kT algorithm. Single and multi-differential cross sections are measured as functions of jet transverse energy E_t^jet and pseudorapidity ta^jet in the domain 5 < E_T^jet < 75 GeV and -1 < eta^jet < 2.5. The cross sections, which vary by six orders of magnitude over the measured range, are found to be in good agreement with next-to-leading order perturbative QCD calculations corrected for fragmentation and underlying event effects. |
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