Next-to-next-to-leading order contributions to inclusive jet production in deep-inelastic scattering and determination of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>α</mml:mi></mml:mrow><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>

Biekötter, Thomas; Klasen, M.; Krämer, G.

doi:10.1103/physrevd.92.074037

Cited by 18 publications

(25 citation statements)

References 27 publications

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“…• Predictions for inclusive jet and dijet cross sections in approximate next-to-next-to-leading order, applying the unified threshold resummation formalism [38], are obtained [39] using the program JetViP [64,[93][94][95][96]. The approximation is expected to agree with exact calculations at very large jet transverse momenta, possibly beyond the reach of this analysis.…”

Section: Qcd Calculationsmentioning

confidence: 80%

“…The predictions include next-to-leading order (NLO) calculations [36,37], NLO calculations supplemented with two-loop threshold corrections (aNNLO) [38,39] and next-to-next-to-leading order (NNLO) [11,40] calculations. The experimental sensitivity to the strong coupling constant at the mass of the Z -boson, α s (M Z ), is studied in a fit of NLO predictions to the data.…”

Section: Introductionmentioning

confidence: 99%

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

et al. 2017

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A precision measurement of jet cross sections in neutral current deep-inelastic scattering for photon virtualities 5.5 < Q 2 < 80 GeV 2 and inelasticities 0.2 < y < 0.6 is presented, using data taken with the H1 detector at HERA, corresponding to an integrated luminosity of 290 pb −1 . Double-differential inclusive jet, dijet and trijet cross sections are measured simultaneously and are presented as a function of jet transverse momentum observables and as a function of Q 2 . Jet cross sections normalised to the inclusive neutral current DIS cross section in the respective Q 2 -interval are also determined. Previous results of inclusive jet cross sections in the range 150 < Q 2 < 15,000 GeV 2 are extended to low transverse jet momenta 5 < P The data are compared to predictions from perturbative QCD in next-to-leading order in the strong coupling, in approximate next-to-next-to-leading order and in full next-to-nextto-leading order. Using also the recently published H1 jet data at high values of Q 2 , the strong coupling constant α s (M Z ) is determined in next-to-leading order.

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Section: Qcd Calculationsmentioning

confidence: 80%

Section: Introductionmentioning

confidence: 99%

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

et al. 2017

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“…Only recently an α s determination was performed using inclusive jet cross sections, where NLO calculations have been supplemented with contributions beyond NLO in the threshold resummation formalism, and a moderate reduction of the scale uncertainty was achieved [36].…”

Section: Introductionmentioning

confidence: 99%

Determination of the strong coupling constant $${\varvec{{\alpha _\mathrm{s} (m_\mathrm{Z})}}}$$ in next-to-next-to-leading order QCD using H1 jet cross section measurements

et al. 2017

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“…3 (left and right) divided by the pQCD calculations at NLO corrected for hadronisation effects. New theoretical calculations in the threshold resummation formalism with 2-loop contributions (aNNLO) [4] and new predictions in full NNLO [5] perturbative QCD are also shown. For the theory calculations the PDFs of NNPDF3.0 at NLO and NNLO were used.…”

Section: Multijets In Dis and Theory Predictions At Nnlomentioning

confidence: 90%

“…The jet cross section measurements were compared to NLO, approximate NNLO [4] and to full NNLO [5] QCD calculations.…”

Section: Introductionmentioning

confidence: 99%

Parton distribution functions and hard QCD at HERA

Chekelian¹

2017

Proceedings of 38th International Conference on High Energy Physics — PoS(ICHEP2016)

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The H1 and ZEUS collaborations at the electron-proton collider HERA have measured inclusive neutral and charged current deep inelastic scattering (DIS) cross sections over six orders of magnitude in negative four-momentum-transfer squared, Q 2 , and Bjorken x. All these measurements were combined to obtain one coherent inclusive HERA data set. This set was used as the sole input to the QCD analysis resulting in the HERAPDF2.0 set of parton distribution functions. An inclusion of HERA data on jet and charm production to the QCD fit allowed a simultaneous determination of parton distributions and the strong coupling. An extension of earlier measurements on multijet production in DIS at high Q 2 to low values of Q 2 and to low values of the jet transverse momentum at high Q 2 is presented here as well as. A combination of the final H1 and ZEUS inclusive D * ± -meson production cross sections in DIS as a function of Q 2 , inelasticity y and D * ± -meson variables, and a measurement of isolated photon production in DIS accompanied by jets using the ZEUS detector are also presented. All these results are compared to QCD calculations.

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Next-to-next-to-leading order contributions to inclusive jet production in deep-inelastic scattering and determination ofαs

Cited by 18 publications

References 27 publications

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

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

Determination of the strong coupling constant $${\varvec{{\alpha _\mathrm{s} (m_\mathrm{Z})}}}$$ in next-to-next-to-leading order QCD using H1 jet cross section measurements

Parton distribution functions and hard QCD at HERA

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