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Article: Determination of the parton distribution functions of the proton from ATLAS measurements of differential W± and Z boson production in association with jets

TitleDetermination of the parton distribution functions of the proton from ATLAS measurements of differential W± and Z boson production in association with jets
Authors
KeywordsHadron-Hadron scattering (experiments)
QCD
Issue Date2021
PublisherSpringer Verlag: SCOAP3. The Journal's web site is located at http://www.springer.com/physics/particle+and+nuclear+physics/journal/13130
Citation
Journal of High Energy Physics, 2021, v. 2021 n. 7, p. article no. 223 How to Cite?
AbstractThis article presents a new set of proton parton distribution functions, ATLASepWZVjet20, produced in an analysis at next-to-next-to-leading order in QCD. The new data sets considered are the measurements of W+ and W− boson and Z boson production in association with jets in pp collisions at s√ = 8 TeV performed by the ATLAS experiment at the LHC with integrated luminosities of 20.2 fb−1 and 19.9 fb−1, respectively. The analysis also considers the ATLAS measurements of differential W± and Z boson production at s√ = 7 TeV with an integrated luminosity of 4.6 fb−1 and deep-inelastic-scattering data from e±p collisions at the HERA accelerator. An improved determination of the sea-quark densities at high Bjorken x is shown, while confirming a strange-quark density similar in size to the up- and down-sea-quark densities in the range x ≲ 0.02 found by previous ATLAS analyses.
Persistent Identifierhttp://hdl.handle.net/10722/302468
ISSN
2023 Impact Factor: 5.0
2023 SCImago Journal Rankings: 0.832
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorParedes Hernandez, D-
dc.contributor.authorPENG, C-
dc.contributor.authorTAM, KC-
dc.contributor.authorTu, Y-
dc.contributor.authorThe ATLAS collaboration-
dc.contributor.authorPizzimento, L-
dc.date.accessioned2021-09-06T03:32:44Z-
dc.date.available2021-09-06T03:32:44Z-
dc.date.issued2021-
dc.identifier.citationJournal of High Energy Physics, 2021, v. 2021 n. 7, p. article no. 223-
dc.identifier.issn1029-8479-
dc.identifier.urihttp://hdl.handle.net/10722/302468-
dc.description.abstractThis article presents a new set of proton parton distribution functions, ATLASepWZVjet20, produced in an analysis at next-to-next-to-leading order in QCD. The new data sets considered are the measurements of W+ and W− boson and Z boson production in association with jets in pp collisions at s√ = 8 TeV performed by the ATLAS experiment at the LHC with integrated luminosities of 20.2 fb−1 and 19.9 fb−1, respectively. The analysis also considers the ATLAS measurements of differential W± and Z boson production at s√ = 7 TeV with an integrated luminosity of 4.6 fb−1 and deep-inelastic-scattering data from e±p collisions at the HERA accelerator. An improved determination of the sea-quark densities at high Bjorken x is shown, while confirming a strange-quark density similar in size to the up- and down-sea-quark densities in the range x ≲ 0.02 found by previous ATLAS analyses.-
dc.languageeng-
dc.publisherSpringer Verlag: SCOAP3. The Journal's web site is located at http://www.springer.com/physics/particle+and+nuclear+physics/journal/13130-
dc.relation.ispartofJournal of High Energy Physics-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectHadron-Hadron scattering (experiments)-
dc.subjectQCD-
dc.titleDetermination of the parton distribution functions of the proton from ATLAS measurements of differential W± and Z boson production in association with jets-
dc.typeArticle-
dc.identifier.emailParedes Hernandez, D: dparedes@hku.hk-
dc.identifier.emailTu, Y: yanjuntu@hku.hk-
dc.identifier.authorityTu, Y=rp01971-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1007/JHEP07(2021)223-
dc.identifier.scopuseid_2-s2.0-85112650890-
dc.identifier.hkuros324656-
dc.identifier.volume2021-
dc.identifier.issue7-
dc.identifier.spagearticle no. 223-
dc.identifier.epagearticle no. 223-
dc.identifier.isiWOS:000680916500001-
dc.publisher.placeGermany-

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