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Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/46592
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dc.contributor.authorAaltonen, T.-
dc.contributor.authorÁlvarez González, B.-
dc.contributor.authorCasal, Bruno-
dc.contributor.authorCuevas, Javier-
dc.contributor.authorGómez, Gervasio-
dc.contributor.authorPalencia, Enrique-
dc.contributor.authorRodrigo, Teresa-
dc.contributor.authorRuiz Jimeno, Alberto-
dc.contributor.authorScodellaro, Luca-
dc.contributor.authorVila, Iván-
dc.contributor.authorVilar Cortabitarte, R.-
dc.contributor.authorVizán, J.-
dc.date.accessioned2012-03-05T11:51:21Z-
dc.date.available2012-03-05T11:51:21Z-
dc.date.issued2011-06-
dc.identifier.citationPhysical Review D 83(11): 112008 (2011)es_ES
dc.identifier.issn1550-7998-
dc.identifier.urihttp://hdl.handle.net/10261/46592-
dc.description18 páginas, 22 figuras, 17 tablas.-- PACS numbers: 12.60.Cn, 13.85.Rm, 14.70.Hp.-- CDF Collaboration: et al.es_ES
dc.description.abstractWe report on a search for anomalous production of Z boson pairs through a massive resonance decay in data corresponding to 2.5–2.9  fb-1 of integrated luminosity in pp̅ collisions at √s=1.96  TeV using the CDF II detector at the Fermilab Tevatron. This analysis, with more data and channels where the Z bosons decay to muons or jets, supersedes the 1.1  fb-1 four-electron channel result previously published by CDF. In order to maintain high efficiency for muons, we use a new forward tracking algorithm and muon identification requirements optimized for these high signal-to-background channels. Predicting the dominant backgrounds in each channel entirely from sideband data samples, we observe four-body invariant mass spectra above 300  GeV/c2 that are consistent with background. We set limits using the acceptance for a massive graviton resonance that are 7–20 times stronger than the previously published direct limits on resonant ZZ diboson production.es_ES
dc.description.sponsorshipThis work was supported by the U. S. Department of Energy and National Science Foundation; the Italian Istituto Nazionale di Fisica Nucleare; the Ministry of Education, Culture, Sports, Science and Technology of Japan ; the Natural Sciences and Engineering Research Council of Canada; the National Science Council of the Republic of China ; the Swiss National Science Foundation; the A. P. Sloan Foundation; the Bundesministerium für Bildung und Forschung, Germany; the Korean World Class University Program, the National Research Foundation of Korea; the Science and Technology Facilities Council and the Royal Society, UK; the Institut National de Physique Nucleaire et Physique des Particules/CNRS; the Russian Foundation for Basic Research; the Ministerio de Ciencia e Innovación, and Programa Consolider-Ingenio 2010, Spain; the Slovak R&D Agency; and the Academy of Finland.es_ES
dc.language.isoenges_ES
dc.publisherAmerican Physical Societyes_ES
dc.rightsopenAccesses_ES
dc.titleSearch for new heavy particles decaying to ZZ→llll, lljj in pp̅ collisions at √s=1.96  TeVes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1103/PhysRevD.83.112008-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevD.83.112008es_ES
dc.identifier.e-issn1550-2368-
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.cerifentitytypePublications-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
item.fulltextWith Fulltext-
item.openairetypeartículo-
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