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Search for neutral MSSM Higgs bosons decaying to τ+τ- pairs in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector

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Search for neutral MSSM Higgs bosons decaying to τ+τ- pairs in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector

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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; García García, Carmen; González de la Hoz, Santiago; Salt Cairols, José; Higón Rodríguez, Emilio; Martí García, Salvador; Lacasta Llácer, Carlos; Villaplana Pérez, Miguel; Martí García, Salvador

Aquest document és un/a article, creat/da en: 2011

Este documento está disponible también en : 10.1016/j.physletb.2011.10.001

A search for neutral Higgs bosons decaying to pairs of tau leptons with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of 7 TeV, recorded in 2010 and corresponding to an integrated luminosity of 36 pb(-1). After signal selection, 276 events are observed in this data sample. The observed number of events is consistent with the total expected background of 269 +/- 36 events. Exclusion limits at the 95% confidence level are derived for the production cross section of a generic Higgs boson phi as a function of the Higgs boson mass and for A/H/h production in the Minimal Supersymmetric Standard Model (MSSM) as a function of the parameters m(A) and tan beta.

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