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Search for standard model production of four top quarks in the lepton + jets channel in pp collisions at √s = 8 TeV

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Özet

Abstract: A search is presented for standard model (SM) production of four top quarks (Formula presented.) in pp collisions in the lepton + jets channel. The data correspond to an integrated luminosity of 19.6 fb−1 recorded at a centre-of-mass energy of 8 TeV with the CMS detector at the CERN LHC. The expected cross section for SM (Formula presented.) production is (Formula presented.). A combination of kinematic reconstruction and multivariate techniques is used to distinguish between the small signal and large background. The data are consistent with expectations of the SM, and an upper limit of 32 fb is set at a 95% confidence level on the cross section for producing four top quarks in the SM, where a limit of 32 ± 17 fb is expected.[Figure not available: see fulltext.]. © 2014, The Author(s).

Anahtar Kelimeler

Hadron-Hadron ScatteringTop physics
RDL Kalıcı Bağlantı (PID)
https://rdlopen.rawdatalibrary.net/r/ebyu/15602Resmi atıflarda kullanılan kalıcı adres
DOI
https://doi.org/10.1007/jhep11(2014)154Yayıncı resmi DOI adresi
Tam Kayıt
AlanDeğerDil
dc.contributor.authorWoods, N.
dc.contributor.authorKhachatryan, V.
dc.contributor.authorSirunyan, A.M.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorBergauer, T.
dc.contributor.authorDragicevic, M.
dc.contributor.authorErö, J.
dc.contributor.authorFabjan, C.
dc.contributor.authorFriedl, M.
dc.contributor.authorFrühwirth, R.
dc.contributor.authorGhete, V.M.
dc.contributor.authorHartl, C.
dc.contributor.authorHörmann, N.
dc.contributor.authorHrubec, J.
dc.contributor.authorJeitler, M.
dc.contributor.authorKiesenhofer, W.
dc.contributor.authorKnünz, V.
dc.contributor.authorKrammer, M.
dc.contributor.authorKrätschmer, I.
dc.contributor.authorLiko, D.
dc.contributor.authorMikulec, I.
dc.contributor.authorRabady, D.
dc.contributor.authorRahbaran, B.
dc.contributor.authorRohringer, H.
dc.contributor.authorSchöfbeck, R.
dc.contributor.authorStrauss, J.
dc.contributor.authorTaurok, A.
dc.contributor.authorTreberer-Treberspurg, W.
dc.contributor.authorWaltenberger, W.
dc.contributor.authorWulz, C.-E.
dc.contributor.authorMossolov, V.
dc.contributor.authorShumeiko, N.
dc.contributor.authorSuarez Gonzalez, J.
dc.contributor.authorAlderweireldt, S.
dc.contributor.authorBansal, M.
dc.contributor.authorBansal, S.
dc.contributor.authorCornelis, T.
dc.contributor.authorDe Wolf, E.A.
dc.contributor.authorJanssen, X.
dc.contributor.authorKnutsson, A.
dc.contributor.authorLuyckx, S.
dc.contributor.authorOchesanu, S.
dc.contributor.authorRougny, R.
dc.contributor.authorVan De Klundert, M.
dc.contributor.authorVan Haevermaet, H.
dc.contributor.authorVan Mechelen, P.
dc.contributor.authorVan Remortel, N.
dc.contributor.authorVan Spilbeeck, A.
dc.contributor.authorBlekman, F.
dc.date.accessioned2026-10-18T20:30:27.206768386Z
dc.date.available2026-10-18T20:30:27.206768386Z
dc.date.issued2014
dc.description.abstractAbstract: A search is presented for standard model (SM) production of four top quarks (Formula presented.) in pp collisions in the lepton + jets channel. The data correspond to an integrated luminosity of 19.6 fb−1 recorded at a centre-of-mass energy of 8 TeV with the CMS detector at the CERN LHC. The expected cross section for SM (Formula presented.) production is (Formula presented.). A combination of kinematic reconstruction and multivariate techniques is used to distinguish between the small signal and large background. The data are consistent with expectations of the SM, and an upper limit of 32 fb is set at a 95% confidence level on the cross section for producing four top quarks in the SM, where a limit of 32 ± 17 fb is expected.[Figure not available: see fulltext.]. © 2014, The Author(s).
dc.description.sponsorship, (ST/H00081X/2); ; National Science Foundation, NSF, (1120138, 1151640, 1205960, 1211067, 1306951, 1314131); National Science Foundation, NSF; Science and Technology Facilities Council, STFC, (GRIDPP, ST/I005912/1, ST/I505580/1, ST/J004901/1, ST/J005665/1, ST/J50094X/1, ST/K001256/1, ST/K001639/1, ST/K003542/1, ST/K003844/1, ST/L00609X/1); Science and Technology Facilities Council, STFC; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung, SNF, (146730, 153664); Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung, SNF
dc.identifier.doi10.1007/jhep11(2014)154
dc.identifier.issn1029-8479
dc.identifier.issue11
dc.identifier.scopus2-s2.0-84915753417
dc.identifier.startpage154
dc.identifier.urihttps://rdlopen.rawdatalibrary.net/r/ebyu/15602
dc.identifier.volume2014
dc.language.isoen
dc.publisherSpringer Science and Business Media Deutschland GmbH
dc.relation.ispartofJournal of High Energy Physics
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectHadron-Hadron Scattering
dc.subjectTop physics
dc.titleSearch for standard model production of four top quarks in the lepton + jets channel in pp collisions at √s = 8 TeV
dc.typeArticle
dspace.entity.typePublication
rdl.citation.scopus22
rdl.oa.statusgold
rdl.source.indexSCOPUS