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Jet production in ep collisions at high Q 2 and determination of α s


H1 Collaboration; Egli, S; Grab, C; Hildebrandt, M; Horisberger, R; Müller, K; Nowak, K; Perez, E; Robmann, P; Straumann, U; Truöl, P; Zimmermann, T; Del Degan, M; Leibenguth, G; Sauter, M; et al (2010). Jet production in ep collisions at high Q 2 and determination of α s. European Physical Journal C - Particles and Fields, 65(3-4):363-383.

Abstract

The production of jets is studied in deep-inelastic e ± p scattering at large negative four momentum transfer squared 150<Q 2<15000 GeV2 using HERA data taken in 1999–2007, corresponding to an integrated luminosity of 395 pb−1. Inclusive jet, 2-jet and 3-jet cross sections, normalised to the neutral current deep-inelastic scattering cross sections, are measured as functions of Q 2, jet transverse momentum and proton momentum fraction. The measurements are well described by perturbative QCD calculations at next-to-leading order corrected for hadronisation effects. The strong coupling as determined from these measurements is (PDF).

Abstract

The production of jets is studied in deep-inelastic e ± p scattering at large negative four momentum transfer squared 150<Q 2<15000 GeV2 using HERA data taken in 1999–2007, corresponding to an integrated luminosity of 395 pb−1. Inclusive jet, 2-jet and 3-jet cross sections, normalised to the neutral current deep-inelastic scattering cross sections, are measured as functions of Q 2, jet transverse momentum and proton momentum fraction. The measurements are well described by perturbative QCD calculations at next-to-leading order corrected for hadronisation effects. The strong coupling as determined from these measurements is (PDF).

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:February 2010
Deposited On:20 Jan 2011 10:37
Last Modified:09 Mar 2017 08:31
Publisher:Springer
ISSN:1434-6044
Publisher DOI:https://doi.org/10.1140/epjc/s10052-009-1208-7

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