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

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dc.contributor.authorAad, G.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbbott, D.C.
dc.contributor.authorAbed Abud, A.
dc.contributor.authorAbeling, K.
dc.contributor.authorAbhayasinghe, D.K.
dc.contributor.authorAbidi, S.H.
dc.contributor.authorAbouZeid, O.S.
dc.contributor.authorAbraham, N.L.
dc.contributor.authorAbramowicz, H.
dc.contributor.authorAbreu, H.
dc.contributor.authorAbulaiti, Y.
dc.date.accessioned2021-07-15T18:17:11Z
dc.date.available2021-07-15T18:17:11Z
dc.date.issued2020-07
dc.descriptionIndexación: Scopuses
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. [Figure not available: see fulltext.] © 2020, The Author(s).es
dc.description.urihttps://link-springer-com.recursosbiblioteca.unab.cl/article/10.1007%2FJHEP07%282020%29044
dc.identifier.citationJournal of High Energy Physics Volume 2020, Issue 71 July 2020 Article number 44es
dc.identifier.doi10.1007/JHEP07(2020)044
dc.identifier.issn1126-6708
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/19403
dc.language.isoenes
dc.publisherSpringeres
dc.subjectHadron-Hadron scattering (experiments)es
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 detectores
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