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Search for resonant top quark plus jet production in tt¯+jets events with the ATLAS detector in pp collisions at s√=7 TeV

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Search for resonant top quark plus jet production in tt¯+jets events with the ATLAS detector in pp collisions at s√=7 TeV

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dc.contributor.author	ATLAS Collaboration
dc.contributor.author	Mitsou, Vasiliki
dc.contributor.author	Fuster Verdú, Juan A.
dc.contributor.author	Ferrer Soria, Antonio
dc.contributor.author	Castillo Giménez, María Victoria
dc.contributor.author	Cabrera Urbán, Susana
dc.contributor.author	García García, Carmen
dc.contributor.author	Higón Rodríguez, Emilio
dc.contributor.author	Martí García, Salvador
dc.contributor.author	Ros Martínez, Eduardo
dc.contributor.author	González de la Hoz, Santiago
dc.contributor.author	Salt Cairols, José
dc.contributor.author	Valls Ferrer, Juan Antonio
dc.contributor.author	Kaci, Mohammed
dc.contributor.author	Fiorini, Luca
dc.contributor.author	Hernández Jiménez, Yesenia
dc.contributor.author	Lacasta Llácer, Carlos
dc.contributor.author	Pedraza López, Sebastián
dc.date.accessioned	2014-07-04T11:42:24Z
dc.date.available	2014-07-04T11:42:24Z
dc.date.issued	2012
dc.identifier.citation	ATLAS Collaboration Mitsou, Vasiliki Fuster Verdú, Juan A. Ferrer Soria, Antonio Castillo Giménez, María Victoria Cabrera Urbán, Susana García García, Carmen Higón Rodríguez, Emilio Martí García, Salvador Ros Martínez, Eduardo González de la Hoz, Santiago Salt Cairols, José Valls Ferrer, Juan Antonio Kaci, Mohammed Fiorini, Luca Hernández Jiménez, Yesenia Lacasta Llácer, Carlos Pedraza López, Sebastián 2012 Search for resonant top quark plus jet production in tt¯+jets events with the ATLAS detector in pp collisions at s√=7 TeV Physical Review D 86 9 091103-1 091103-20
dc.identifier.uri	http://hdl.handle.net/10550/36960
dc.description.abstract	This paper presents a search for a new heavy particle produced in association with a top or antitop quark. Two models in which the new heavy particle is a color singlet or a color triplet are considered, decaying, respectively, to (t)over-barq or tq, leading to a resonance within the t(t)over-bar + jets signature. The full 2011 ATLAS pp collision data set from the LHC (4.7 fb(-1)) is used to search for t(t)over-bar events produced in association with jets, in which one of the W bosons from the top quarks decays leptonically and the other decays hadronically. The data are consistent with the Standard Model expectation, and a new particle with mass below 430 Gev for both W' boson and color triplet models is excluded at 95% confidence level, assuming unit right-handed coupling.
dc.language.iso	eng
dc.relation.ispartof	Physical Review D, 2012, vol. 86, num. 9, p. 091103-1-091103-20
dc.subject	Partícules (Física nuclear)
dc.subject	Física nuclear
dc.subject	Col·lisions (Física nuclear)
dc.subject	Detectors de radiació
dc.title	Search for resonant top quark plus jet production in tt¯+jets events with the ATLAS detector in pp collisions at s√=7 TeV
dc.type	journal article	es_ES
dc.date.updated	2014-07-04T11:42:24Z
dc.identifier.doi	10.1103/PhysRevD.86.091103
dc.identifier.idgrec	083487
dc.rights.accessRights	open access	es_ES