Publication:
A search for $ t\overline t $ resonances in lepton+jets events with highly boosted top quarks collected in pp collisions at $ \sqrt {s} = 7 $ TeV with the ATLAS detector

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dc.contributor.authorAad, G.
dc.contributor.authorAbat, E.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbdallah, J.
dc.contributor.authorAbdelalim, A. A.
dc.contributor.authorAbdesselam, A.
dc.contributor.authorAbdinov, O.
dc.contributor.authorAbi, B.
dc.contributor.authorAbolins, M.
dc.contributor.authorAbramowicz, H.
dc.contributor.authorAbreu, H.
dc.contributor.authorAcerbi, E.
dc.contributor.authorAcharya, B. S.
dc.contributor.authorAckers, M.
dc.contributor.authorAdams, D. L.
dc.contributor.authorAddy, T. N.
dc.contributor.authorAdelman, J.
dc.contributor.authorAderholz, M.
dc.contributor.authorAdorisio, C.
dc.contributor.authorAdragna, P.
dc.contributor.authorAdye, T.
dc.contributor.authorAefsky, S.
dc.contributor.authorAguilar-Saavedra, J. A.
dc.contributor.authorAharrouche, M.
dc.contributor.authorAhlen, S. P.
dc.contributor.authorAhles, F.
dc.contributor.authorAhmad, A.
dc.contributor.authorAhmed, H.
dc.contributor.authorAhsan, M.
dc.contributor.authorAielli, G.
dc.contributor.authorAkdogan, T.
dc.contributor.authorAkesson, P. F.
dc.contributor.authorAkesson, T. P. A.
dc.contributor.authorAkimoto, G.
dc.contributor.authorAkimov, A. V.
dc.contributor.authorAktas, A.
dc.contributor.authorAlam, M. S.
dc.contributor.authorAlam, M. A.
dc.contributor.authorAlbert, J.
dc.contributor.authorAlbrand, S.
dc.contributor.authorAleksa, M.
dc.contributor.authorAleksandrov, I. N.
dc.contributor.authorAleppo, M.
dc.contributor.authorAlessandria, F.
dc.contributor.authorAlexa, C.
dc.contributor.authorAlexander, G.
dc.contributor.authorAlexandre, G.
dc.contributor.authorAlexopoulos, T.
dc.contributor.authorAlhroob, M.
dc.contributor.authorAliev, M.
dc.contributor.authorAlimonti, G.
dc.contributor.authorAlison, J.
dc.contributor.authorAliyev, M.
dc.contributor.authorAllport, P. P.
dc.contributor.authorAllwood-Spiers, S. E.
dc.contributor.authorAlmond, J.
dc.contributor.authorAloisio, A.
dc.contributor.authorAlon, R.
dc.contributor.authorAlonso, A.
dc.contributor.authorAlonso, J.
dc.contributor.authorAlviggi, M. G.
dc.contributor.authorAmako, K.
dc.contributor.authorAmaral, P.
dc.contributor.authorAmbrosini, G.
dc.contributor.authorAmbrosio, G.
dc.contributor.authorAmelung, C.
dc.contributor.authorAmmosov, V. V.
dc.contributor.authorAmorim, A.
dc.contributor.authorAmoros, G.
dc.contributor.authorAmram, N.
dc.contributor.authorAnastopoulos, C.
dc.contributor.authorAndeen, T.
dc.contributor.authorAnders, C. F.
dc.contributor.authorAnderson, K. J.
dc.contributor.authorAndreazza, A.
dc.contributor.authorAndrei, V.
dc.contributor.authorL Andrieux, M.
dc.contributor.authorAnduaga, X. S.
dc.contributor.authorAngerami, A.
dc.contributor.authorAnghinolfi, F.
dc.contributor.authorAnjos, N.
dc.contributor.authorAnnovi, A.
dc.contributor.authorAntonaki, A.
dc.contributor.authorAntonelli, M.
dc.contributor.authorAntonelli, S.
dc.contributor.authorAntos, J.
dc.contributor.authorAntunovic, B.
dc.contributor.authorAnulli, F.
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dc.contributor.authorArabidze, G.
dc.contributor.authorAracena, I.
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dc.contributor.authorAvolio, G.
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dc.contributor.authorAzuelos, G.
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dc.contributor.authorBaccaglioni, G.
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dc.contributor.authorBach, A. M.
dc.contributor.authorBachacou, H.
dc.contributor.authorBachas, K.
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dc.contributor.authorBackes, M.
dc.contributor.authorBadescu, E.
dc.contributor.authorBagnaia, P.
dc.contributor.authorBai, Y.
dc.contributor.authorBailey, D. C.
dc.contributor.authorBain, T.
dc.contributor.authorBaines, J. T.
dc.contributor.authorBaker, O. K.
dc.contributor.authorBaker, M. D.
dc.contributor.authorBaker, S.
dc.contributor.authorBaltasar Dos Santos Pedrosa, F.
dc.contributor.authorBanas, E.
dc.contributor.authorBanerjee, P.
dc.contributor.authorBanerjee, S.
dc.contributor.authorBanfi, D.
dc.contributor.authorBangert, A.
dc.contributor.authorBansal, V.
dc.contributor.authorBaranov, S. P.
dc.contributor.authorBaranov, S.
dc.contributor.authorBarashkou, A.
dc.contributor.authorBarber, T.
dc.contributor.authorBarberio, E. L.
dc.contributor.authorBarberis, D.
dc.contributor.authorBarbero, M.
dc.contributor.authorBardin, D. Y.
dc.contributor.authorBarillari, T.
dc.contributor.authorBarisonzi, M.
dc.contributor.authorBarklow, T.
dc.contributor.authorBarlow, N.
dc.contributor.authorBarnett, B. M.
dc.contributor.authorBarnett, R. M.
dc.contributor.authorBaroncelli, A.
dc.contributor.authorBarone, M.
dc.contributor.authorBarr, A. J.
dc.contributor.authorBarreiro, F.
dc.contributor.authorBarreiro Guimaraes Da Costa, J.
dc.contributor.authorBarrillon, P.
dc.contributor.authorBartheld, V.
dc.contributor.authorBartko, H.
dc.contributor.authorBartoldus, R.
dc.contributor.authorBartsch, D.
dc.contributor.authorBates, R. L.
dc.contributor.authorBathe, S.
dc.contributor.authorBatkova, L.
dc.contributor.authorBatley, J. R.
dc.contributor.authorBattaglia, A.
dc.contributor.authorBattistin, M.
dc.contributor.authorBattistoni, G.
dc.contributor.authorBauer, F.
dc.contributor.authorBawa, H. S.
dc.contributor.authorBazalova, M.
dc.contributor.authorBeare, B.
dc.contributor.authorBeau, T.
dc.contributor.authorBeauchemin, P. H.
dc.contributor.authorBeccherle, R.
dc.contributor.authorBecerici, N.
dc.contributor.authorBechtle, P.
dc.contributor.authorBeck, G. A.
dc.contributor.authorBeck, H. P.
dc.contributor.authorBeckingham, M.
dc.contributor.authorBecks, K. H.
dc.contributor.authorBeddall, A. J.
dc.contributor.authorBeddall, A.
dc.date.accessioned2026-01-25T00:23:16Z
dc.date.issued2012-09-01
dc.description.abstractAbstractA search for resonant production of high-mass top-quark pairs is performed on 2.05 fb−1of proton-proton collisions at$ \sqrt {s} = 7 $TeV collected in 2011 with the ATLAS experiment at the Large Hadron Collider. This analysis of the lepton+jets final state is specifically designed for the particular topology that arises from the decay of highly boosted top quarks. The observed$ t\overline t $invariant mass spectrum is found to be compatible with the Standard Model prediction and 95% credibility level upper limits are derived on the$ t\overline t $production rate through new massive states. An upper limit of 0.7 pb is set on the production cross section times branching fraction of a narrow 1 TeV resonance. A Kaluza-Klein gluon with a mass smaller than 1.5 TeV is excluded.
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dc.identifier.urihttps://hdl.handle.net/11527/40765
dc.identifier.volume2012
dc.language.isoeng
dc.publisherSpringer Science and Business Media LLC
dc.relation.ispartofJournal of High Energy Physics
dc.rightsOPEN
dc.sdg.typeGoal 7: Affordable and Clean Energy
dc.subjectNuclear and High Energy Physics
dc.subject[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex]
dc.subject:Ciências Físicas [Ciências Naturais]
dc.subjectTeoría cuántica de campos
dc.subjectFOS: Physical sciences
dc.subjectHadron-hadron scattering
dc.subjectPartícules (Física nuclear)
dc.subjectHigh Energy Physics - Experiment
dc.subjectHigh Energy Physics - Experiment (hep-ex)
dc.subjectHADRON-HADRON COLLISIONS
dc.subjectTop quark
dc.subjectNew physics
dc.subject[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]
dc.subjecttop-antitop resonances
dc.subjectQC
dc.subjectDetectors de radiació
dc.subjectLHC
dc.subjectAtlas
dc.subjectHigh Energy Physics
dc.subjectScience & Technology
dc.subjectHadron-Hadron Scattering
dc.subjectMatemática física y química
dc.subjectFísica
dc.subjectAtlas
dc.subjectSettore FIS/01 - FISICA SPERIMENTALE
dc.subjectddc:539
dc.subjectDispersión (Física)
dc.subjectHadrones - Dispersión
dc.subjectCol·lisions (Física nuclear)
dc.subjectExperimental High Energy Physics
dc.subjectFísica nuclear
dc.subjectParticle Physics - Experiment
dc.titleA search for $ t\overline t $ resonances in lepton+jets events with highly boosted top quarks collected in pp collisions at $ \sqrt {s} = 7 $ TeV with the ATLAS detector
dc.typeArticle
dspace.entity.typePublication

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