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    Search for the Production of Scalar Bottom Quarks in pp̅ Collisions at √s=1.96  TeV

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    Identificadores
    URI: http://hdl.handle.net/10902/1948
    DOI: 10.1103/PhysRevLett.105.081802
    ISSN: 0031-9007
    ISSN: 1079-7114
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    Author
    Aaltonen, Timo Antero; Adelman, Jahred; Álvarez González, Bárbara; Amerio, Silvia; Amidei, Dante; Anastassov, Anton; Annovi, Alberto; Antos, Jaroslav; Apollinari, Giorgio; Apresyan, Artur; Arisawa, Tetsuo; Casal Laraña, Bruno; Cuevas Maestro, Francisco Javier; Gómez Gramuglio, Gervasio; Rodrigo Anoro, Teresa; Ruiz Jimeno, Alberto; Scodellaro, Luca; Vila Álvarez, Iván; Vilar Cortabitarte, Rocío; [et al.]
    Date
    2010-08-19
    Derechos
    © 2010 American Physical Society
    Publicado en
    Physical Review Letters, vol. 105, iss. 8, art. num. 081802 (2010)
    Publisher
    American Physical Society
    Enlace a la publicación
    http://dx.doi.org/10.1103/PhysRevLett.105.081802
    Abstract:
    We report on a search for direct scalar bottom quark (sbottom) pair production in pp̅ collisions at √s=1.96  TeV, in events with large missing transverse energy and two jets of hadrons in the final state, where at least one of the jets is required to be identified as originating from a b quark. The study uses a collider detector at Fermilab Run II data sample corresponding to 2.65  fb-1 of integrated luminosity. The data are in agreement with the standard model. In an R-parity conserving minimal supersymmetric scenario, and assuming that the sbottom decays exclusively into a bottom quark and a neutralino, 95% confidence-level upper limits on the sbottom pair production cross section of 0.1 pb are obtained. For neutralino masses below 70  GeV/c2, sbottom masses up to 230  GeV/c2 are excluded at 95% confidence level.
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    • D15 Artículos [238]

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    UNIVERSIDAD DE CANTABRIA

    Repositorio realizado por la Biblioteca Universitaria utilizando DSpace software
    Contact Us | Send Feedback
    Metadatos sujetos a:licencia de Creative Commons Reconocimiento 3.0 España