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    Search for high mass resonances decaying to muon pairs in √s=1.96  TeV pp̅ Collisions

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    URI: http://hdl.handle.net/10902/1943
    DOI: 10.1103/PhysRevLett.106.121801
    ISSN: 0031-9007
    ISSN: 1079-7114
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    Author
    Aaltonen, Timo Antero; Álvarez González, Bárbara; Álvarez González, Bárbara; Casal Laraña, Bruno; Cuevas Maestro, Francisco Javier; Gómez Gramuglio, Gervasio; Palencia Cortezón, José Enrique; Rodrigo Anoro, TeresaAutoridad Unican; Ruiz Jimeno, AlbertoAutoridad Unican; Scodellaro, Luca; Vila Álvarez, Iván; Vilar Cortabitarte, RocíoAutoridad Unican; Vizán García, Jesús ManuelAutoridad Unican
    Date
    2011-03-21
    Derechos
    © 2011 American Physical Society
    Publicado en
    Physical Review Letters, 2011, 106(12), 121801
    Publisher
    American Physical Society
    Enlace a la publicación
    https://doi.org/10.1103/PhysRevLett.106.121801
    Abstract:
    We present a search for a new narrow, spin-1, high mass resonance decaying to μ+μ-+X, using a matrix-element-based likelihood and a simultaneous measurement of the resonance mass and production rate. In data with 4.6  fb-1 of integrated luminosity collected by the CDF detector in pp̅ collisions at √s=1960  GeV, the most likely signal cross section is consistent with zero at 16% confidence level. We therefore do not observe evidence for a high mass resonance and place limits on models predicting spin-1 resonances, including M>1071  GeV/c2 at 95% confidence level for a Z′ boson with the same couplings to fermions as the Z boson.
    Collections to which it belong
    • D15 Artículos [711]
    • D52 Artículos [1056]

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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