Search for charged Higgs bosons decaying via H-+/- -> tau nu in t(t)over-bar events using pp collision data at root s=7 TeV with the ATLAS detector
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Search for charged Higgs bosons decaying via H-+/- -> tau nu in t(t)over-bar events using pp collision data at root s=7 TeV with the ATLAS detector

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Search for charged Higgs bosons decaying via H-+/- -> tau nu in t(t)over-bar events using pp collision data at root s=7 TeV with the ATLAS detector

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ATLAS Collaboration; Mitsou, Vasiliki; Fuster Verdú, Juan A. Perfil; Cabrera Urbán, Susana Perfil; García García, Carmen Perfil; Castillo Giménez, María Victoria Perfil; Higón Rodríguez, Emilio Perfil; Martí García, Salvador; Ros Martínez, Eduardo; González de la Hoz, Santiago; Salt Cairols, José Perfil; Valls Ferrer, Juan Antonio; Hernández Jiménez, Yesenia; Kaci, Mohammed; Fiorini, Luca; Ferrer Soria, Antonio Perfil; Lacasta Llácer, Carlos
Aquest document és un/a article, creat/da en: 2012
The results of a search for charged Higgs bosons are presented. The analysis is based on 4.6 fb(-1) of proton-proton collision data at root s = 7TeV collected by the ATLAS experiment at the Large Hadron Collider, using top quark pair events with a tau lepton in the final state. The data are consistent with the expected background from Standard Model processes. Assuming that the branching ratio of the charged Higgs boson to a tau lepton and a neutrino is 100%, this leads to upper limits on the branching ratio of top quark decays to a b quark and a charged Higgs boson between 5% and 1% for charged Higgs boson masses ranging from 90GeV to 160GeV, respectively. In the context of the m(h)(max) scenario of the MSSM, tan beta above 12-26, as well as between 1 and 2-6, can be excluded for charged Higgs boson masses between 90GeV and 150GeV.

    ATLAS Collaboration (Aad, G. Mitsou, Vasiliki Fuster Verdú, Juan Antonio Cabrera Urbán, Susana García García, Carmen Castillo Giménez, María Victoria Higón Rodríguez, Emilio Martí García, Salvador Ros Martínez, Eduardo González de la Hoz, Santiago Salt Cairols, José Valls Ferrer, Juan Antonio Hernandez Jimenez, Y. Kaci, Mohammen Fiorini, Luca Ferrer, Juan Antonio Lacasta Llácer, Carlos 2012 Search for charged Higgs bosons decaying via H-+/- -> tau nu in t(t)over-bar events using pp collision data at root s=7 TeV with the ATLAS detector Journal of High Energy Physics 2012 06-039 1 50
http://dx.doi.org/10.1007/JHEP06(2012)039
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