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    Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events with Missing Transverse Energy at CDF II

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    Identificadores
    URI: http://hdl.handle.net/10902/2076
    DOI: 10.1103/PhysRevLett.104.011801
    ISSN: 0031-9007
    ISSN: 1079-7114
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    Author
    Aaltonen, Timo Antero; 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; Artikov, A.; [et al.]
    Date
    2010-01-04
    Derechos
    © 2010 The American Physical Society
    Publicado en
    Physical Review Letters, vol. 104, iss. 1 art. num. 011801 (2010)
    Publisher
    American Physical Society
    Enlace a la publicación
    10.1103/PhysRevLett.104.011801
    Abstract:
    We present the results of a search for supersymmetry with gauge-mediated breaking and χ˜10→γG˜ in the γγ+missing transverse energy final state. In 2.6±0.2  fb-1 of pp̅ collisions at √s=1.96  TeV recorded by the CDF II detector we observe no candidate events, consistent with a standard model background expectation of 1.4±0.4 events. We set limits on the cross section at the 95% C.L. and place the world’s best limit of 149  GeV/c2 on the χ˜10 mass at τχ˜10≪1  ns. We also exclude regions in the χ˜10 mass-lifetime plane for τχ˜10≲2  ns.
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    • D15 Artículos [236]

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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