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Please use this identifier to cite or link to this item: http://bura.brunel.ac.uk/handle/2438/22110
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dc.contributor.authorSirunyan, AM-
dc.contributor.authorTumasyan, A-
dc.contributor.authorAdam, W-
dc.contributor.authorAmbrogi, F-
dc.contributor.authorBergauer, T-
dc.contributor.authorDragicevic, M-
dc.contributor.authorErö, J-
dc.contributor.authorEscalante Del Valle, A-
dc.contributor.authorFrühwirth, R-
dc.contributor.authorJeitler, M-
dc.contributor.authorKrammer, N-
dc.contributor.authorLechner, L-
dc.contributor.authorLiko, D-
dc.contributor.authorMadlener, T-
dc.contributor.authorMikulec, I-
dc.contributor.authorRad, N-
dc.contributor.authorSchieck, J-
dc.contributor.authorSchöfbeck, R-
dc.contributor.authorSpanring, M-
dc.contributor.authorTempl, S-
dc.contributor.authorWaltenberger, W-
dc.contributor.authorWulz, CE-
dc.contributor.authorZarucki, M-
dc.contributor.authorChekhovsky, V-
dc.contributor.authorLitomin, A-
dc.contributor.authorMakarenko, V-
dc.contributor.authorSuarez Gonzalez, J-
dc.contributor.authorDarwish, MR-
dc.contributor.authorDe Wolf, EA-
dc.contributor.authorDi Croce, D-
dc.contributor.authorJanssen, X-
dc.contributor.authorKello, T-
dc.contributor.authorLelek, A-
dc.contributor.authorPieters, M-
dc.contributor.authorRejeb Sfar, H-
dc.contributor.authorVan Haevermaet, H-
dc.contributor.authorVan Mechelen, P-
dc.contributor.authorVan Putte, S-
dc.contributor.authorVan Remortel, N-
dc.contributor.authorBlekman, F-
dc.contributor.authorBols, ES-
dc.contributor.authorChhibra, SS-
dc.contributor.authorD'Hondt, J-
dc.contributor.authorDe Clercq, J-
dc.contributor.authorLontkovskyi, D-
dc.contributor.authorLowette, S-
dc.contributor.authorMarchesini, I-
dc.contributor.authorMoortgat, S-
dc.contributor.authorPython, Q-
dc.contributor.authorTavernier, S-
dc.contributor.authorVan Doninck, W-
dc.contributor.authorVan Mulders, P-
dc.contributor.authorBeghin, D-
dc.contributor.authorBilin, B-
dc.contributor.authorClerbaux, B-
dc.contributor.authorDe Lentdecker, G-
dc.contributor.authorDelannoy, H-
dc.contributor.authorDorney, B-
dc.contributor.authorFavart, L-
dc.contributor.authorGrebenyuk, A-
dc.contributor.authorKalsi, AK-
dc.contributor.authorMakarenko, I-
dc.contributor.authorMoureaux, L-
dc.contributor.authorPétré, L-
dc.contributor.authorPopov, A-
dc.contributor.authorPostiau, N-
dc.contributor.authorStarling, E-
dc.contributor.authorThomas, L-
dc.contributor.authorVander Velde, C-
dc.contributor.authorVanlaer, P-
dc.contributor.authorVannerom, D-
dc.contributor.authorWezenbeek, L-
dc.contributor.authorCornelis, T-
dc.contributor.authorDobur, D-
dc.contributor.authorKhvastunov, I-
dc.contributor.authorNiedziela, M-
dc.contributor.authorRoskas, C-
dc.contributor.authorSkovpen, K-
dc.contributor.authorTytgat, M-
dc.contributor.authorVerbeke, W-
dc.contributor.authorVermassen, B-
dc.contributor.authorVit, M-
dc.contributor.authorBruno, G-
dc.contributor.authorBury, F-
dc.contributor.authorCaputo, C-
dc.contributor.authorDavid, P-
dc.contributor.authorDelaere, C-
dc.contributor.authorDelcourt, M-
dc.contributor.authorDonertas, IS-
dc.contributor.authorGiammanco, A-
dc.contributor.authorLemaitre, V-
dc.contributor.authorPrisciandaro, J-
dc.contributor.authorSaggio, A-
dc.contributor.authorTaliercio, A-
dc.contributor.authorTeklishyn, M-
dc.contributor.authorVischia, P-
dc.contributor.authorWuyckens, S-
dc.contributor.authorZobec, J-
dc.contributor.authorAlves, GA-
dc.contributor.authorCorreia Silva, G-
dc.date.accessioned2021-01-18T12:31:23Z-
dc.date.available2020-11-24-
dc.date.available2021-01-18T12:31:23Z-
dc.date.issued2020-11-24-
dc.identifier.citationPhysical Review Letters, 2020, 125 (22)en_US
dc.identifier.issn0031-9007-
dc.identifier.issnhttp://dx.doi.org/10.1103/PhysRevLett.125.222001-
dc.identifier.issn1079-7114-
dc.identifier.urihttp://bura.brunel.ac.uk/handle/2438/22110-
dc.description.abstract© 2020 CERN. Ultrarelativistic heavy ion collisions recreate in the laboratory the thermodynamical conditions prevailing in the early universe up to 10-6 sec, thereby allowing the study of the quark-gluon plasma (QGP), a state of quantum chromodynamics (QCD) matter with deconfined partons. The top quark, the heaviest elementary particle known, is accessible in nucleus-nucleus collisions at the CERN LHC, and constitutes a novel probe of the QGP. Here, we report the first evidence for the production of top quarks in nucleus-nucleus collisions, using lead-lead collision data at a nucleon-nucleon center-of-mass energy of 5.02 TeV recorded by the CMS experiment. Two methods are used to measure the cross section for top quark pair production (σtt) via the selection of charged leptons (electrons or muons) and bottom quarks. One method relies on the leptonic information alone, and the second one exploits, in addition, the presence of bottom quarks. The measured cross sections, σtt=2.54-0.74+0.84 and 2.03-0.64+0.71 μb, respectively, are compatible with expectations from scaled proton-proton data and QCD predictions.en_US
dc.description.sponsorshipSCOAP3en_US
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.subjectRelativistic heavy-ion collisionsen_US
dc.subjectTop quarken_US
dc.subjectHadron collidersen_US
dc.titleEvidence for Top Quark Production in Nucleus-Nucleus Collisionsen_US
dc.typeArticleen_US
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevLett.125.222001-
dc.relation.isPartOfPhysical Review Letters-
pubs.issue22-
pubs.publication-statusPublished-
pubs.volume125-
dc.identifier.eissn1079-7114-
Appears in Collections:Dept of Electronic and Electrical Engineering Research Papers

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