Search for excited electrons and muons in root s=8 TeV proton-proton collisions with the ATLAS detector
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Search for excited electrons and muons in root s=8 TeV proton-proton collisions with the ATLAS detector

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Search for excited electrons and muons in root s=8 TeV proton-proton collisions with the ATLAS detector

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dc.contributor.author ATLAS Collaboration
dc.contributor.author Cabrera Urbán, Susana
dc.contributor.author Castillo Giménez, María Victoria
dc.contributor.author Costa Mezquita, María José
dc.contributor.author Fassi, Farida
dc.contributor.author Ferrer Soria, Antonio
dc.contributor.author Fiorini, Luca
dc.contributor.author Fuster Verdú, Juan A.
dc.contributor.author García García, Carmen
dc.contributor.author García Navarro, José Enrique
dc.contributor.author González de la Hoz, Santiago
dc.contributor.author Hernández Jiménez, Yesenia
dc.contributor.author Higón Rodríguez, Emilio
dc.contributor.author Irles Quiles, Adrián
dc.contributor.author Kaci, Mohammed
dc.contributor.author Lacasta Llácer, Carlos
dc.contributor.author Lacuesta Miquel, Vicente
dc.contributor.author March Ruiz, Luis
dc.contributor.author Martí García, Salvador
dc.contributor.author Miñano Moya, Mercedes
dc.contributor.author Mitsou, Vasiliki
dc.contributor.author Moles Valls, Regina
dc.contributor.author Moreno Llácer, María
dc.contributor.author Oliver García, Elena
dc.contributor.author Pedraza López, Sebastián
dc.contributor.author Pérez García-Estañ, María Teresa
dc.contributor.author Romero Adam, E.
dc.contributor.author Ros Martínez, Eduardo
dc.contributor.author Salt Cairols, José
dc.contributor.author Sánchez Martínez, Victoria
dc.contributor.author Soldevila, U.
dc.contributor.author Sánchez Martínez, Javier
dc.contributor.author Torró Pastor, Emma
dc.contributor.author Valero Biot, Alberto
dc.contributor.author Valladolid Gallego, E.
dc.contributor.author Valls Ferrer, Juan Antonio
dc.contributor.author Villaplana Pérez, Miguel
dc.contributor.author Vos, Marcel
dc.date.accessioned 2015-08-25T11:02:27Z
dc.date.available 2015-08-25T11:02:27Z
dc.date.issued 2013
dc.identifier.uri http://hdl.handle.net/10550/46756
dc.description.abstract The ATLAS detector at the LHC is used to search for excited electrons and excited muons in the channel pp -> ll* -> llgamma, assuming that excited leptons are produced via contact interactions. The analysis is based on 13 fb-1 of pp collisions at a centre-of-mass energy of 8 TeV. No evidence for excited leptons is found, and a limit is set at the 95% credibility level on the cross section times branching ratio as a function of the excited-lepton mass m_l*. For m_l* > 0.8 TeV, the respective upper limits on sigma*B(l* -> lgamma) are 0.75 fb and 0.90 fb for the e* and mu* searches. Limits on sigma*B are converted into lower bounds on the compositeness scale Lambda. In the special case where Lambda = m_l*, excited-electron and excited-muon masses below 2.2 TeV are excluded.
dc.language.iso eng
dc.relation.ispartof New Journal of Physics, 2013, vol. 15, p. 093011-1-093011-32
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source ATLAS Collaboration Cabrera Urbán, Susana Castillo Giménez, María Victoria Costa Mezquita, María José Fassi, Farida Ferrer Soria, Antonio Fiorini, Luca Fuster Verdú, Juan A. García García, Carmen García Navarro, José Enrique González de la Hoz, Santiago Hernández Jiménez, Yesenia Higón Rodríguez, Emilio Irles Quiles, Adrián Kaci, Mohammed Lacasta Llácer, Carlos Lacuesta Miquel, Vicente March Ruiz, Luis Martí García, Salvador Miñano Moya, Mercedes Mitsou, Vasiliki Moles Valls, Regina Moreno Llácer, María Oliver García, Elena Pedraza López, Sebastián Pérez García-Estañ, María Teresa Romero Adam, E. Ros Martínez, Eduardo Salt Cairols, José Sánchez Martínez, V. Soldevila, U. Sánchez, J. Torró Pastor, Emma Valero Biot, Alberto Valladolid Gallego, E. Valls Ferrer, Juan Antonio Villaplana Pérez, Miguel Vos, Marcel 2013 Search for excited electrons and muons in root s=8 TeV proton-proton collisions with the ATLAS detector New Journal of Physics 15 093011-1 093011-32
dc.subject Física
dc.title Search for excited electrons and muons in root s=8 TeV proton-proton collisions with the ATLAS detector
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-08-25T11:02:27Z
dc.identifier.doi http://dx.doi.org/10.1088/1367-2630/15/9/093011
dc.identifier.idgrec 091443

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