Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/129593
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dc.contributor.authorAad, G.en
dc.contributor.authorAbbott, B.en
dc.contributor.authorAbbott, D.C.en
dc.contributor.authorAbed Abud, A.en
dc.contributor.authorAbeling, K.en
dc.contributor.authorAbhayasinghe, D.K.en
dc.contributor.authorAbidi, S.H.en
dc.contributor.authorAbouZeid, O.S.en
dc.contributor.authorAbraham, N.L.en
dc.contributor.authorAbramowicz, H.en
dc.contributor.authorAbreu, H.en
dc.contributor.authorAbulaiti, Y.en
dc.contributor.authorAcharya, B.S.en
dc.contributor.authorAchkar, B.en
dc.contributor.authorAdam, L.en
dc.contributor.authorAdam Bourdarios, C.en
dc.contributor.authorAdamczyk, L.en
dc.contributor.authorAdamek, L.en
dc.contributor.authorAdelman, J.en
dc.contributor.authorAdersberger, M.en
dc.contributor.authoret al.en
dc.date.issued2020en
dc.identifier.citationJournal of High Energy Physics, 2020; 2020(10):061-[i]1-061-42en
dc.identifier.issn1029-8479en
dc.identifier.issn1029-8479en
dc.identifier.urihttp://hdl.handle.net/2440/129593-
dc.description.abstractThis paper presents a search for new heavy particles decaying into a pair of top quarks using 139 fb⁻¹ of proton-proton collision data recorded at a centre-of-mass energy of s√ = 13 TeV with the ATLAS detector at the Large Hadron Collider. The search is performed using events consistent with pair production of high-transverse-momentum top quarks and their subsequent decays into the fully hadronic final states. The analysis is optimized for resonances decaying into a tt¯ pair with mass above 1.4 TeV, exploiting a dedicated multivariate technique with jet substructure to identify hadronically decaying top quarks using large-radius jets and evaluating the background expectation from data. No significant deviation from the background prediction is observed. Limits are set on the production cross-section times branching fraction for the new Z′ boson in a topcolor-assisted-technicolor model. The Z′ boson masses below 3.9 and 4.7 TeV are excluded at 95% confidence level for the decay widths of 1% and 3%, respectively.en
dc.description.statementofresponsibilityG. Aad … D. Duvnjak … P. Jackson … A.X.Y. Kong … J.L. Oliver … A. Petridis … A. Qureshi … A.S. Sharma … M.J. White … et al. [The ATLAS Collaboration]en
dc.language.isoenen
dc.publisherSpringer Natureen
dc.rightsCopyright CERN, for the benefit of the ATLAS Collaboration. Article funded by SCOAP³. Open Access. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.en
dc.subjectJet substructure; beyond Standard Model; hadron-hadron scattering (experiments); heavy quark production; jetsen
dc.titleSearch for tt¯ resonances in fully hadronic final states in pp collisions at √s = 13 TeV with the ATLAS detectoren
dc.title.alternativeSearch for tt -bar resonances in fully hadronic final states in pp collisions at root s = 13 TeV with the ATLAS detectoren
dc.typeJournal articleen
dc.identifier.doi10.1007/JHEP10(2020)061en
pubs.publication-statusPublisheden
Appears in Collections:Physics publications

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