Search for four-top-quark production in the single-lepton and opposite-sign dilepton final states in pp collisions at √s=13 TeV with the ATLAS detector
dc.contributor.author | Aaboud, Morad | |
dc.contributor.author | Aad, Georges | |
dc.contributor.author | Abbott, Brad | |
dc.contributor.author | Abdinov, Ovsat Bahram oglu | |
dc.contributor.author | Abeloos, Baptiste | |
dc.contributor.author | Abhayasinghe, Deshan Kavishka | |
dc.contributor.author | Abidi, Syed Haider | |
dc.contributor.author | AbouZeid, Hass | |
dc.contributor.author | Abraham, Nadine L. | |
dc.contributor.author | Abramowicz, Halina | |
dc.contributor.author | Buanes, Trygve | |
dc.contributor.author | Djuvsland, Julia Isabell | |
dc.contributor.author | Eigen, Gerald | |
dc.contributor.author | Fomin, Nikolai | |
dc.contributor.author | Lipniacka, Anna | |
dc.contributor.author | Martin dit Latour, Bertrand | |
dc.contributor.author | Mæland, Steffen | |
dc.contributor.author | Stugu, Bjarne | |
dc.contributor.author | Yang, Zongchang | |
dc.contributor.author | Zalieckas, Justas | |
dc.contributor.author | Bugge, Magnar Kopangen | |
dc.contributor.author | Cameron, David Gordon | |
dc.contributor.author | Catmore, James Richard | |
dc.contributor.author | Feigl, Simon | |
dc.contributor.author | Garonne, Vincent | |
dc.contributor.author | Gramstad, Eirik | |
dc.contributor.author | Hellesund, Simen | |
dc.contributor.author | Morisbak, Vanja | |
dc.contributor.author | Oppen, Henrik | |
dc.contributor.author | Ould-Saada, Farid | |
dc.contributor.author | Pedersen, Maiken | |
dc.contributor.author | Read, Alexander Lincoln | |
dc.contributor.author | Røhne, Ole Myren | |
dc.contributor.author | Sandaker, Heidi | |
dc.contributor.author | Serfon, Cédric | |
dc.contributor.author | Stapnes, Steinar | |
dc.contributor.author | Vadla, Knut Oddvar Høie | |
dc.contributor.author | Franconi, Laura | |
dc.contributor.author | Abreu, Henso | |
dc.contributor.author | Abulaiti, Yiming | |
dc.contributor.author | Acharya, Bobby S. | |
dc.contributor.author | Adachi, Shunsuke | |
dc.contributor.author | Adamczyk, Leszek | |
dc.contributor.author | Adelman, Jareed | |
dc.contributor.author | Adersberger, Michael | |
dc.contributor.author | Adigüzel, Aytül | |
dc.contributor.author | Adye, Tim | |
dc.contributor.author | Affolder, Anthony Allen | |
dc.contributor.author | Afik, Yoav | |
dc.contributor.author | Agheorghiesei, Catalin | |
dc.contributor.author | ATLAS, Collaboration | |
dc.date.accessioned | 2020-08-05T08:20:08Z | |
dc.date.available | 2020-08-05T08:20:08Z | |
dc.date.issued | 2019 | |
dc.Published | Aaboud M, Aad G, Abbott B, Abdinov OBo, Abeloos B, Abhayasinghe DK, Abidi SH, AbouZeid H, Abraham NL, Abramowicz H, Buanes T, Djuvsland JI, Eigen G, Fomin N, Lipniacka A, Martin dit Latour B, Mæland S, Stugu B, Yang Z, Zalieckas J, Bugge MK, Cameron DG, Catmore JR, Feigl S, Garonne V, Gramstad E, Hellesund S, Morisbak V, Oppen H, Ould-Saada F, Pedersen M, Read AL, Røhne OM, Sandaker H, Serfon C, Stapnes S, Vadla KOH, Franconi L, Abreu H, Abulaiti Y, Acharya BS, Adachi S, Adamczyk L, Adelman J, Adersberger M, Adigüzel A, Adye T, Affolder AA, Afik Y, Agheorghiesei C, ATLAS C. Search for four-top-quark production in the single-lepton and opposite-sign dilepton final states in pp collisions at √s=13 TeV with the ATLAS detector. Physical Review D. 2019;99:052009 | eng |
dc.identifier.issn | 2470-0010 | en_US |
dc.identifier.issn | 2470-0029 | en_US |
dc.identifier.uri | https://hdl.handle.net/1956/23425 | |
dc.description.abstract | A search for four-top-quark production, t¯tt¯t, is presented. It is based on proton-proton collision data with a center-of-mass energy √s=13 TeV collected by the ATLAS detector at the Large Hadron Collider during the years 2015 and 2016, corresponding to an integrated luminosity of 36.1 fb−1. Data are analyzed in both the single-lepton and opposite-sign dilepton channels, characterized by the presence of one or two isolated electrons or muons with high-transverse momentum and multiple jets. A data-driven method is used to estimate the dominant background from top-quark pair production in association with jets. No significant excess above the Standard Model expectation is observed. The result is combined with the previous same-sign dilepton and multilepton searches carried out by the ATLAS Collaboration and an observed (expected) upper limit of 5.3 (2.1) times the four-top-quark Standard Model cross section is obtained at 95% confidence level. Additionally, an upper limit on the anomalous four-top-quark production cross section is set in the context of an effective field theory model. | en_US |
dc.language.iso | eng | eng |
dc.publisher | APS | en_US |
dc.rights | Attribution CC BY | eng |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0 | eng |
dc.title | Search for four-top-quark production in the single-lepton and opposite-sign dilepton final states in pp collisions at √s=13 TeV with the ATLAS detector | en_US |
dc.type | Peer reviewed | |
dc.type | Journal article | |
dc.date.updated | 2019-11-26T08:48:38Z | |
dc.description.version | publishedVersion | en_US |
dc.rights.holder | Copyright 2019 CERN, for the ATLAS Collaboration | en_US |
dc.identifier.doi | https://doi.org/10.1103/physrevd.99.052009 | |
dc.identifier.cristin | 1705696 | |
dc.source.journal | Physical Review D | |
dc.subject.nsi | VDP::Matematikk og naturvitenskap: 400::Fysikk: 430::Kjerne- og elementærpartikkelfysikk: 431 | |
dc.subject.nsi | VDP::Mathematics and natural scienses: 400::Physics: 430::Nuclear and elementary particle physics: 431 |