Dielectron Widths of the S-, D-Vector Bottomonium States

A.M. Badalian, B.L.G. Bakker, I.V. Danilkin

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    The dielectron widths of Y(nS)(n = 1, ..., 7) and vector decay constants are calculated using the relativistic string Hamiltonian with a universal interaction. For Y(nS) (n = 1, 2, 3) the dielectron widths and their ratios are obtained in full agreement with the latest CLEO data. For Y(10580) and Y(11020) a good agreement with experiment is reached only if the 4S-3D mixing (with a mixing angle θ = 27°± 4°) and 6S-5D mixing (with θ = 40°±5°) are taken into account. The possibility to observe higher "mixed D-wave" resonances, Y(n
    Original languageEnglish
    Pages (from-to)138-149
    Number of pages12
    JournalPhysics of Atomic Nuclei
    Volume73
    Issue number1
    DOIs
    Publication statusPublished - 2010

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