TY  - EJOUR
AU  - Zenaiev, O.
AU  - Garzelli, M. V.
AU  - Lipka, K.
AU  - Moch, S.-O.
AU  - Cooper-Sarkar, A.
AU  - Olness, F.
AU  - Geiser, A.
AU  - Sigl, G.
TI  - Improved constraints on parton distributions using LHCb, ALICE and HERA heavy-flavour measurements and implications for the predictions for prompt atmospheric-neutrino fluxes
IS  - arXiv:1911.13164
M1  - PUBDB-2019-04690
M1  - arXiv:1911.13164
M1  - DESY 19-211
PY  - 2019
N1  - * Temporary entry *
AB  - 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 ≈ 10<sup>−6</sup>. The impact of the resulting parton distribution function in the predictions for the prompt atmospheric-neutrino fluxes is studied.
LB  - PUB:(DE-HGF)25 ; PUB:(DE-HGF)29
DO  - DOI:10.3204/PUBDB-2019-04690
UR  - https://bib-pubdb1.desy.de/record/428790
ER  -