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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 | |||
Aquest document és un/a article, creat/da en: 2011 | |||
Este documento está disponible también en : 10.1103/PhysRevD.84.011101 |
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A search for contact interactions has been performed using dimuon events recorded with the ATLAS detector in proton-proton collisions at root s = 7 TeV. The data sample corresponds to an integrated luminosity of 42 pb(-1). No significant deviation from the standard model is observed in the dimuon mass spectrum, allowing the following 95% C. L. limits to be set on the energy scale of contact interactions: Lambda > 4: 9 TeV (4.5 TeV) for constructive (destructive) interference in the left-left isoscalar compositeness model. These limits are the most stringent to date for μμqq contact interactions. | |||
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