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Article: Measurements of the production cross-section for a Z boson in association with b-jets in proton-proton collisions at √s = 13 TeV with the ATLAS detector

TitleMeasurements of the production cross-section for a Z boson in association with b-jets in proton-proton collisions at √s = 13 TeV with the ATLAS detector
Authors
KeywordsHadron-Hadron scattering (experiments)
Issue Date2020
PublisherSpringer Verlag (Germany): 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, 2020, v. 2020 n. 7, p. article no. 44 How to Cite?
AbstractThis paper presents a measurement of the production cross-section of a Z boson in association with b-jets, in proton-proton collisions at s√ = 13 TeV with the ATLAS experiment at the Large Hadron Collider using data corresponding to an integrated luminosity of 35.6 fb−1. Inclusive and differential cross-sections are measured for events containing a Z boson decaying into electrons or muons and produced in association with at least one or at least two b-jets with transverse momentum pT > 20 GeV and rapidity |y| < 2.5. Predictions from several Monte Carlo generators based on leading-order (LO) or next-to-leading-order (NLO) matrix elements interfaced with a parton-shower simulation and testing different flavour schemes for the choice of initial-state partons are compared with measured cross-sections. The 5-flavour number scheme predictions at NLO accuracy agree better with data than 4-flavour number scheme ones. The 4-flavour number scheme predictions underestimate data in events with at least one b-jet.
Persistent Identifierhttp://hdl.handle.net/10722/287702
ISSN
2020 Impact Factor: 5.81
2015 SCImago Journal Rankings: 1.052
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLo, CY-
dc.contributor.authorParedes Hernandez, D-
dc.contributor.authorSalvucci, A-
dc.contributor.authorTAM, KC-
dc.contributor.authorTu, Y-
dc.contributor.authorThe ATLAS collaboration-
dc.date.accessioned2020-10-05T12:02:00Z-
dc.date.available2020-10-05T12:02:00Z-
dc.date.issued2020-
dc.identifier.citationJournal of High Energy Physics, 2020, v. 2020 n. 7, p. article no. 44-
dc.identifier.issn1029-8479-
dc.identifier.urihttp://hdl.handle.net/10722/287702-
dc.description.abstractThis paper presents a measurement of the production cross-section of a Z boson in association with b-jets, in proton-proton collisions at s√ = 13 TeV with the ATLAS experiment at the Large Hadron Collider using data corresponding to an integrated luminosity of 35.6 fb−1. Inclusive and differential cross-sections are measured for events containing a Z boson decaying into electrons or muons and produced in association with at least one or at least two b-jets with transverse momentum pT > 20 GeV and rapidity |y| < 2.5. Predictions from several Monte Carlo generators based on leading-order (LO) or next-to-leading-order (NLO) matrix elements interfaced with a parton-shower simulation and testing different flavour schemes for the choice of initial-state partons are compared with measured cross-sections. The 5-flavour number scheme predictions at NLO accuracy agree better with data than 4-flavour number scheme ones. The 4-flavour number scheme predictions underestimate data in events with at least one b-jet.-
dc.languageeng-
dc.publisherSpringer Verlag (Germany): 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.titleMeasurements of the production cross-section for a Z boson in association with b-jets in proton-proton collisions at √s = 13 TeV with the ATLAS detector-
dc.typeArticle-
dc.identifier.emailLo, CY: samuel3@hku.hk-
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(2020)044-
dc.identifier.scopuseid_2-s2.0-85087722167-
dc.identifier.hkuros315003-
dc.identifier.volume2020-
dc.identifier.issue7-
dc.identifier.spagearticle no. 44-
dc.identifier.epagearticle no. 44-
dc.identifier.isiWOS:000566576600001-
dc.publisher.placeGermany-
dc.identifier.issnl1029-8479-

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