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Improved constraints on parton distributions using LHCb, ALICE and HERA heavy-flavour measurements and implications for the predictions for prompt atmospheric-neutrino fluxes

The impact of measurements of heavy-flavour production in deep inelastic ep scattering and in pp collisions on parton distribution functions is studied in a QCD analysis at next-to-leading order. Recent combined results of inclusive and heavy-flavour produc- tion cross sections in deep inelastic sca...

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Autores principales: Zenaiev, O., Garzelli, M.V., Lipka, K., Moch, S.O., Cooper-Sarkar, A., Olness, F., Geiser, A., Sigl, G.
Lenguaje:eng
Publicado: 2019
Materias:
Acceso en línea:https://dx.doi.org/10.1007/JHEP04(2020)118
http://cds.cern.ch/record/2704558
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author Zenaiev, O.
Garzelli, M.V.
Lipka, K.
Moch, S.O.
Cooper-Sarkar, A.
Olness, F.
Geiser, A.
Sigl, G.
author_facet Zenaiev, O.
Garzelli, M.V.
Lipka, K.
Moch, S.O.
Cooper-Sarkar, A.
Olness, F.
Geiser, A.
Sigl, G.
author_sort Zenaiev, O.
collection CERN
description The impact of measurements of heavy-flavour production in deep inelastic ep scattering and in pp collisions on parton distribution functions is studied in a QCD analysis at next-to-leading order. Recent combined results of inclusive and heavy-flavour produc- tion cross sections in deep inelastic scattering at HERA are investigated together with heavy-flavour production measurements at the LHC. Differential cross sections of charm- and beauty-hadron production measured by the LHCb collaboration at the centre-of-mass energies of 5, 7 and 13 TeV as well as the recent measurements of the ALICE experiment at the centre-of-mass energies of 5 and 7 TeV are explored. These data impose additional constraints on the gluon and the sea-quark distributions at low partonic fractions x of the proton momentum, down to x ≈ 10$^{−6}$. The impact of the resulting parton distribution function in the predictions for the prompt atmospheric-neutrino fluxes is studied.[graphic not available: see fulltext]
id cern-2704558
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2019
record_format invenio
spelling cern-27045582023-09-02T04:26:54Zdoi:10.1007/JHEP04(2020)118http://cds.cern.ch/record/2704558engZenaiev, O.Garzelli, M.V.Lipka, K.Moch, S.O.Cooper-Sarkar, A.Olness, F.Geiser, A.Sigl, G.Improved constraints on parton distributions using LHCb, ALICE and HERA heavy-flavour measurements and implications for the predictions for prompt atmospheric-neutrino fluxeshep-phParticle Physics - PhenomenologyThe impact of measurements of heavy-flavour production in deep inelastic ep scattering and in pp collisions on parton distribution functions is studied in a QCD analysis at next-to-leading order. Recent combined results of inclusive and heavy-flavour produc- tion cross sections in deep inelastic scattering at HERA are investigated together with heavy-flavour production measurements at the LHC. Differential cross sections of charm- and beauty-hadron production measured by the LHCb collaboration at the centre-of-mass energies of 5, 7 and 13 TeV as well as the recent measurements of the ALICE experiment at the centre-of-mass energies of 5 and 7 TeV are explored. These data impose additional constraints on the gluon and the sea-quark distributions at low partonic fractions x of the proton momentum, down to x ≈ 10$^{−6}$. The impact of the resulting parton distribution function in the predictions for the prompt atmospheric-neutrino fluxes is studied.[graphic not available: see fulltext]The impact of measurements of heavy-flavour production in deep inelastic $ep$ scattering and in $pp$ collisions on parton distribution functions is studied in a QCD analysis at next-to-leading order. Recent combined results of inclusive and heavy-flavour production cross sections in deep inelastic scattering at HERA are investigated together with heavy-flavour production measurements at the LHC. Differential cross sections of charm- and beauty-hadron production measured by the LHCb collaboration at the centre-of-mass energies of 5, 7 and 13 TeV as well as the recent measurements of the ALICE experiment at the centre-of-mass energies of 5 and 7 TeV are explored. These data impose additional constraints on the gluon and the sea-quark distributions at low partonic fractions $x$ of the proton momentum, down to $x\approx10^{-6}$. The impact of the resulting parton distribution function in the predictions for the prompt atmospheric-neutrino fluxes is studied.arXiv:1911.13164DESY-19-211DESY 19-211oai:cds.cern.ch:27045582019-11-29
spellingShingle hep-ph
Particle Physics - Phenomenology
Zenaiev, O.
Garzelli, M.V.
Lipka, K.
Moch, S.O.
Cooper-Sarkar, A.
Olness, F.
Geiser, A.
Sigl, G.
Improved constraints on parton distributions using LHCb, ALICE and HERA heavy-flavour measurements and implications for the predictions for prompt atmospheric-neutrino fluxes
title Improved constraints on parton distributions using LHCb, ALICE and HERA heavy-flavour measurements and implications for the predictions for prompt atmospheric-neutrino fluxes
title_full Improved constraints on parton distributions using LHCb, ALICE and HERA heavy-flavour measurements and implications for the predictions for prompt atmospheric-neutrino fluxes
title_fullStr Improved constraints on parton distributions using LHCb, ALICE and HERA heavy-flavour measurements and implications for the predictions for prompt atmospheric-neutrino fluxes
title_full_unstemmed Improved constraints on parton distributions using LHCb, ALICE and HERA heavy-flavour measurements and implications for the predictions for prompt atmospheric-neutrino fluxes
title_short Improved constraints on parton distributions using LHCb, ALICE and HERA heavy-flavour measurements and implications for the predictions for prompt atmospheric-neutrino fluxes
title_sort improved constraints on parton distributions using lhcb, alice and hera heavy-flavour measurements and implications for the predictions for prompt atmospheric-neutrino fluxes
topic hep-ph
Particle Physics - Phenomenology
url https://dx.doi.org/10.1007/JHEP04(2020)118
http://cds.cern.ch/record/2704558
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