Search for high mass dilepton resonances in pp collisions at sqrt{s}=7 TeV with the ATLAS experiment
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Search for high mass dilepton resonances in pp collisions at sqrt{s}=7 TeV with the ATLAS experiment

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Search for high mass dilepton resonances in pp collisions at sqrt{s}=7 TeV with the ATLAS experiment

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ATLAS Collaboration; Mitsou, Vasiliki; Ferrer Soria, Antonio Perfil; Valls Ferrer, Juan Antonio; Castillo Giménez, María Victoria Perfil; Cabrera Urbán, Susana Perfil; Fuster Verdú, Juan A. Perfil; Fiorini, Luca; Ros Martínez, Eduardo; Hernández Jiménez, Yesenia; Lacasta Llácer, Carlos; Higón Rodríguez, Emilio Perfil; Salt Cairols, José Perfil; González de la Hoz, Santiago; García García, Carmen Perfil; Martí García, Salvador; Villaplana Pérez, Miguel; Lacuesta Miquel, Vicente
Aquest document és un/a article, creat/da en: 2011

Este documento está disponible también en : http://dx.doi.org/10.1016/j.physletb.2011.04.044
This Letter presents a search for high mass e(+)e(-) or mu(+)mu(-) resonances in pp collisions at root s = 7 TeV at the LHC. The data were recorded by the ATLAS experiment during 2010 and correspond to a total integrated luminosity of similar to 40 pb(-1). No statistically significant excess above the Standard Model expectation is observed in the search region of dilepton invariant mass above 110 GeV. Upper limits at the 95% confidence level are set on the cross section times branching ratio of Z' resonances decaying to dielectrons and dimuons as a function of the resonance mass. A lower mass limit of 1.048 TeV on the Sequential Standard Model Z' boson is derived, as well as mass limits on Z* and E(6)-motivated Z' models.

    ATLAS Collaboration Mitsou, Vasiliki Ferrer Soria, Antonio Valls Ferrer, Juan Antonio Castillo Giménez, María Victoria Cabrera Urbán, Susana Fuster Verdú, Juan A. Fiorini, Luca Ros Martínez, Eduardo Hernández Jiménez, Yesenia Lacasta Llácer, Carlos Higón Rodríguez, Emilio Salt Cairols, José González de la Hoz, Santiago García García, Carmen Martí García, Salvador Villaplana Pérez, Miguel Lacuesta Miquel, Vicente 2011 Search for high mass dilepton resonances in pp collisions at sqrt{s}=7 TeV with the ATLAS experiment Physics Letters B 700 3-4 163 180
http://dx.doi.org/10.1016/j.physletb.2011.04.044
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