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dc.contributor.authorChatrchyan, Serguei
dc.contributor.authorBrochero Cifuentes, Javier Andrés
dc.contributor.authorCabrillo Bartolomé, José Ibán
dc.contributor.authorCalderón Tazón, Alicia
dc.contributor.authorChuang, Shan Huei
dc.contributor.authorDuarte Campderrós, Jordi
dc.contributor.authorFelcini, Marta
dc.contributor.authorFernández García, Marcos 
dc.contributor.authorGómez Gramuglio, Gervasio
dc.contributor.authorGonzález Sánchez, Francisco Javier
dc.contributor.authorJordá Lope, Clara
dc.contributor.authorLobelle Pardo, Patricia
dc.contributor.authorLópez Virto, María Amparo
dc.contributor.authorMarco de Lucas, Jesús
dc.contributor.authorMarco de Lucas, Rafael José
dc.contributor.authorMartínez Rivero, Celso
dc.contributor.authorMatorras Weinig, Francisco 
dc.contributor.authorMuñoz Sánchez, Francisca Javiela
dc.contributor.authorPiedra Gómez, Jonatan
dc.contributor.authorRodrigo Anoro, Teresa 
dc.contributor.authorRodríguez Marrero, Ana Yaiza
dc.contributor.authorRuiz Jimeno, Alberto 
dc.contributor.authorScodellaro, Luca
dc.contributor.authorSobrón Sañudo, Mar
dc.contributor.authorVila Álvarez, Iván
dc.contributor.authorVilar Cortabitarte, Rocío 
dc.contributor.otherUniversidad de Cantabriaes_ES
dc.date.accessioned2013-06-14T13:05:21Z
dc.date.available2013-06-14T13:05:21Z
dc.date.issued2011-07-28
dc.identifier.issn0031-9007
dc.identifier.issn1079-7114
dc.identifier.urihttp://hdl.handle.net/10902/2396
dc.description.abstractA comparison of the relative yields of Υ resonances in the μ+μ- decay channel in Pb-Pb and pp collisions at a center-of-mass energy per nucleon pair of 2.76 TeV is performed with data collected with the CMS detector at the LHC. Using muons of transverse momentum above 4  GeV/c and pseudorapidity below 2.4, the double ratio of the Υ(2S) and Υ(3S) excited states to the Υ(1S) ground state in Pb-Pb and pp collisions, [Υ(2S+3S)/Υ(1S)]Pb-Pb/[Υ(2S+3S)/Υ(1S)]pp, is found to be 0.31-0.15+0.19(stat)±0.03(syst). The probability to obtain the measured value, or lower, if the true double ratio is unity, is calculated to be less than 1%.es_ES
dc.format.extent15 p.es_ES
dc.language.isoenges_ES
dc.publisherAmerican Physical Societyes_ES
dc.rightsAtribución 3.0 Españaes_ES
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/
dc.sourcePhysical Review Letters, vol. 107, iss. 5, art. num. 052302 (2011)es_ES
dc.titleIndications of Suppression of Excited Υ States in Pb-Pb Collisions at √sNN=2.76  TeVes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.relation.publisherVersionhttp://dx.doi.org/10.1103/PhysRevLett.107.052302es_ES
dc.rights.accessRightsopenAccesses_ES
dc.identifier.DOI10.1103/PhysRevLett.107.052302
dc.type.versionpublishedVersiones_ES


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Atribución 3.0 EspañaExcept where otherwise noted, this item's license is described as Atribución 3.0 España