Search for quark contact interactions in dijet angular distributions in pp collisions at sqrt(s) = 7 TeV measured with the ATLAS detector at the LHC
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Search for quark contact interactions in dijet angular distributions in pp collisions at sqrt(s) = 7 TeV measured with the ATLAS detector at the LHC

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Search for quark contact interactions in dijet angular distributions in pp collisions at sqrt(s) = 7 TeV measured with the ATLAS detector at the LHC

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

Este documento está disponible también en : http://dx.doi.org/10.1016/j.physletb.2010.10.021
Dijet angular distributions from the first LHC pp collisions at center-of-mass energy root s = 7 TeV have been measured with the ATLAS detector. The dataset used for this analysis represents an integrated luminosity of 3.1 pb(-1). Dijet chi distributions and centrality ratios have been measured up to dijet masses of 2.8 TeV, and found to be in good agreement with Standard Model predictions. Analysis of the chi distributions excludes quark contact interactions with a compositeness scale Lambda below 3.4 TeV, at 95% confidence level, significantly exceeding previous limits.

    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 2011 Search for quark contact interactions in dijet angular distributions in pp collisions at sqrt(s) = 7 TeV measured with the ATLAS detector at the LHC Physics Letters B 694 4-5 327 345
http://dx.doi.org/10.1016/j.physletb.2010.10.021
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