Searches for new physics using the tt¯ invariant mass distribution in pp collisions at s√=8  TeV

Chatrchyan, Serguei; Brochero Cifuentes, Javier Andrés; Cabrillo Bartolomé, José Iban; Calderón Tazón, Alicia; Chuang, Shan Huei; Duarte Campderros, Jorge; Fernández García, Marcos; Gómez Gramuglio, Gervasio; González Sánchez, Francisco Javier; Graziano, Alberto; Jordá Lope, Clara; López Virto, María Amparo; Marco de Lucas, Jesús; Marco de Lucas, Rafael José; Martínez Rivero, Celso; Matorras Weinig, Francisco; Muñoz Sánchez, Francisca Javiela; Rodrigo Anoro, Teresa; Rodríguez Marrero, Ana Yaiza; Ruiz Jimeno, Alberto; Scodellaro, Luca; Vila Álvarez, Iván; Vilar Cortabitarte, Rocío

doi:10.1103/PhysRevLett.111.211804

dc.contributor.author	Chatrchyan, Serguei
dc.contributor.author	Brochero Cifuentes, Javier Andrés
dc.contributor.author	Cabrillo Bartolomé, José Iban
dc.contributor.author	Calderón Tazón, Alicia
dc.contributor.author	Chuang, Shan Huei
dc.contributor.author	Duarte Campderros, Jorge
dc.contributor.author	Fernández García, Marcos
dc.contributor.author	Gómez Gramuglio, Gervasio
dc.contributor.author	González Sánchez, Francisco Javier
dc.contributor.author	Graziano, Alberto
dc.contributor.author	Jordá Lope, Clara
dc.contributor.author	López Virto, María Amparo
dc.contributor.author	Marco de Lucas, Jesús
dc.contributor.author	Marco de Lucas, Rafael José
dc.contributor.author	Martínez Rivero, Celso
dc.contributor.author	Matorras Weinig, Francisco
dc.contributor.author	Muñoz Sánchez, Francisca Javiela
dc.contributor.author	Rodrigo Anoro, Teresa
dc.contributor.author	Rodríguez Marrero, Ana Yaiza
dc.contributor.author	Ruiz Jimeno, Alberto
dc.contributor.author	Scodellaro, Luca
dc.contributor.author	Vila Álvarez, Iván
dc.contributor.author	Vilar Cortabitarte, Rocío
dc.contributor.other	Universidad de Cantabria	es_ES
dc.date.accessioned	2015-04-01T09:04:59Z
dc.date.available	2015-04-01T09:04:59Z
dc.date.issued	2013-11
dc.identifier.issn	0031-9007
dc.identifier.issn	1079-7114
dc.identifier.uri	http://hdl.handle.net/10902/6205
dc.description.abstract	Searches for anomalous top quark-antiquark production are presented, based on pp collisions at s√=8 TeV. The data, corresponding to an integrated luminosity of 19.7 fb−1, were collected with the CMS detector at the LHC. The observed tt¯ invariant mass spectrum is found to be compatible with the standard model prediction. Limits on the production cross section times branching fraction probe, for the first time, a region of parameter space for certain models of new physics not yet constrained by precision measurements.	es_ES
dc.format.extent	16 p.	es_ES
dc.language.iso	eng	es_ES
dc.publisher	American Physical Society	es_ES
dc.rights	Atribución 3.0 España. © 2013 CERN, for the CMS Collaboration	*
dc.rights.uri	http://creativecommons.org/licenses/by/3.0/es/	*
dc.source	Physical Review LettersPhysical Review Letters, 2013, 111, 211804 - (ERRATUM) 2014, 112, 119903	es_ES
dc.title	Searches for new physics using the tt¯ invariant mass distribution in pp collisions at s√=8 TeV	es_ES
dc.type	info:eu-repo/semantics/article	es_ES
dc.relation.publisherVersion	http://dx.doi.org/10.1103/PhysRevLett.111.211804	es_ES
dc.rights.accessRights	openAccess	es_ES
dc.identifier.DOI	10.1103/PhysRevLett.111.211804
dc.type.version	publishedVersion	es_ES