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Measurement of the top quark pair production cross section in pp collisions at sqrt(s) = 7 TeV in dilepton final states with ATLAS

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Measurement of the top quark pair production cross section in pp collisions at sqrt(s) = 7 TeV in dilepton final states with ATLAS

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dc.contributor.author	ATLAS Collaboration
dc.contributor.author	Mitsou, Vasiliki
dc.contributor.author	Fiorini, Luca
dc.contributor.author	Ros Martínez, Eduardo
dc.contributor.author	Fuster Verdú, Juan A.
dc.contributor.author	García García, Carmen
dc.contributor.author	Cabrera Urbán, Susana
dc.contributor.author	Martí García, Salvador
dc.contributor.author	Salt Cairols, José
dc.contributor.author	Lacasta Llácer, Carlos
dc.contributor.author	Valls Ferrer, Juan Antonio
dc.contributor.author	Castillo Giménez, María Victoria
dc.contributor.author	Higón Rodríguez, Emilio
dc.contributor.author	Ferrer Soria, Antonio
dc.contributor.author	González de la Hoz, Santiago
dc.contributor.author	Kaci, Mohammed
dc.contributor.author	Hernández Jiménez, Yesenia
dc.contributor.author	Villaplana Pérez, Miguel
dc.date.accessioned	2014-06-16T11:58:07Z
dc.date.available	2014-06-16T11:58:07Z
dc.date.issued	2012
dc.identifier.citation	ATLAS Collaboration Mitsou, Vasiliki Fiorini, Luca Ros Martínez, Eduardo Fuster Verdú, Juan A. García García, Carmen Cabrera Urbán, Susana Martí García, Salvador Salt Cairols, José Lacasta Llácer, Carlos Valls Ferrer, Juan Antonio Castillo Giménez, María Victoria Higón Rodríguez, Emilio Ferrer Soria, Antonio González de la Hoz, Santiago Kaci, Mohamed Hernández Jiménez, Yesenia Villaplana Pérez, Miguel 2012 Measurement of the top quark pair production cross section in pp collisions at sqrt(s) = 7 TeV in dilepton final states with ATLAS Physics Letters B 707 5 459 477
dc.identifier.uri	http://hdl.handle.net/10550/36175
dc.description.abstract	A measurement of the production cross section of top quark pairs (t (t) over bar) in proton-proton collisions at a center-of-mass energy of 7 TeV recorded with the ATLAS detector at the Large Hadron Collider is reported. Candidate events are selected in the dilepton topology with large missing transverse energy and at least two jets. Using a data sample corresponding to an integrated luminosity of 35 pb(-1), a t (t) over bar production cross section sigma(t (t) over bar) = 177 +/- 20(stat.) +/- 14(syst.) +/- 7(lum.) pb is measured for an assumed top quark mass of m(t) = 172.5 GeV. A second measurement requiring at least one jet identified as coming from a b quark yields a comparable result, demonstrating that the dilepton final states are consistent with being accompanied by b-quark jets. These measurements are in good agreement with Standard Model predictions.
dc.relation.ispartof	Physics Letters B, 2012, vol. 707, num. 5, p. 459-477
dc.subject	Física nuclear
dc.subject	Partícules (Física nuclear)
dc.title	Measurement of the top quark pair production cross section in pp collisions at sqrt(s) = 7 TeV in dilepton final states with ATLAS
dc.type	journal article	es_ES
dc.date.updated	2014-06-16T11:58:07Z
dc.identifier.doi	10.1016/j.physletb.2011.12.055
dc.identifier.idgrec	070699
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1016/j.physletb.2011.12.055