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Inclusive jet cross sections in the Breit frame in neutral current deep inelastic scattering at HERA and determination of alpha_s

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arxiv hep-ex/0208037 v1 pith:MGLWMSG3 submitted 2002-08-22 hep-ex

ZEUS Collaboration This is my paper · ORCID
classification hep-ex
keywords alphacrossinclusivesectionsbreitcurrentdeepdifferential
verification ladder T0 review T1 audit T2 compute T3 formal
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Inclusive jet differential cross sections have been measured in neutral current deep inelastic e+p scattering for boson virtualities Q**2>125 GeV**2. The data were taken using the ZEUS detector at HERA and correspond to an integrated luminosity of 38.6 pb-1. Jets were identified in the Breit frame using the longitudinally invariant K_T cluster algorithm. Measurements of differential inclusive jet cross sections are presented as functions of jet transverse energy (E_T,jet), jet pseudorapidity and Q**2, for jets with E_T,jet>8 GeV. Next-to-leading-order QCD calculations agree well with the measurements both at high Q**2 and high E_T,jet. The value of alpha_s(M_Z), determined from an analysis of dsigma/dQ**2 for Q**2>500 GeV**2, is alpha_s(M_Z) = 0.1212 +/- 0.0017 (stat.) +0.0023 / -0.0031 (syst.) +0.0028 / -0.0027 (th.).

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 102 citations worldwide. Full citation record

  1. A generalised-$k_t$ jet algorithm for Deep Inelastic Scattering

    hep-ph 2026-06 unverdicted novelty 6.0 of 10

    The authors define a generalised-k_t jet algorithm family for DIS in the Breit frame, extending the prior p=0 case, and test its use for struck-quark jet identification and non-perturbative effects.

  2. Parton distributions confront LHC Run II data: a quantitative appraisal

    hep-ph 2025-01 conditional novelty 6.0 of 10

    A systematic NNLO data-theory comparison shows that the main PDF sets generalise to unseen LHC and HERA data about equally well once PDF, alpha_s, and missing higher order uncertainties are included.

  3. Revisiting constraints on proton PDFs from HERA DIS, Drell-Yan, W/Z Boson production, and projected EIC measurements

    hep-ph 2024-12 conditional novelty 4.0 of 10

    A new NLO and NNLO global QCD fit to HERA, Drell-Yan, and W/Z data yields proton PDFs, a strange-sea ratio near 1.07, and projections that EIC data would reduce gluon and alpha_s uncertainties.

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