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    Evidence for a bottom baryon resonance Λ*0b in CDF data

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    Evidence for a bottom ... (251.3Kb)
    Identificadores
    URI: http://hdl.handle.net/10902/6354
    DOI: 10.1103/PhysRevD.88.071101
    ISSN: 1550-7998
    ISSN: 1550-2368
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    Author
    Aaltonen, Timo Antero; Amerio, Silvia; Amidei, Dante; Anastassov, Anton; Annovi, Alberto; Antos, Jaroslav; Apollinari, Giorgio; Appel, Jeffrey A.; Arisawa, Tetsuo; Artikov, A.; Asaadi, Jonathan Abraham; Casal Laraña, Bruno; Cuevas Maestro, Francisco Javier; Gómez Gramuglio, Gervasio; Palencia Cortezón, José Enrique; Ruiz Jimeno, AlbertoAutoridad Unican; Scodellaro, Luca; Vilar Cortabitarte, RocíoAutoridad Unican; Vizán García, Jesús ManuelAutoridad Unican; [et al.]
    Date
    2013-10
    Derechos
    © 2013 American Physical Society
    Publicado en
    Physical review. D, Particles, fields, gravitation, and cosmology, vol. 88, num. 7, art. num. 071101(R), (2013)
    Publisher
    American Physical Society
    Enlace a la publicación
    http://dx.doi.org/10.1103/PhysRevD.88.071101
    Abstract:
    Using data from proton-antiproton collisions at s√=1.96  TeV recorded by the CDF II detector at the Fermilab Tevatron, evidence for the excited resonance state Λ*0b is presented in its Λ0bπ−π+ decay followed by the Λ0b→Λ+cπ− and Λ+c→pK−π+ decays. The analysis is based on a data sample corresponding to an integrated luminosity of 9.6  fb−1 collected by an online event selection based on charged-particle tracks displaced from the proton-antiproton interaction point. The significance of the observed signal is 3.5σ. The mass of the observed state is found to be 5919.22±0.76  MeV/c2 in agreement with similar findings in proton-proton collision experiments.
    Collections to which it belong
    • D15 Artículos [352]
    • D52 Artículos [651]

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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