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    Please use this identifier to cite or link to this item: http://umoar.mu.edu.mm/handle/123456789/171

    Does Σ-Σ-α Form a Quasi-Bound State?

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    Abstract
    • We have investigated the possible existence of a quasi-bound state for the Σ-Σ-α system in the framework of Faddeev calculations. We are particularly interested in the state of total iso-spin T = 2, since for an inert α particle there is no strong conversion to Ξ-N-α or Λ-Λ-α possible. A Σ-α optical potential based on Nijmegen model D and original Σ-Σ interactions of the series of Nijmegen potentials NSC97 as well a simulated Gaussian type versions thereof are used. Our investigation of the Σ-Σ-α system leads to a quasi bound state where, depending on the potential parameters, the energy ranges between −1.4 and −2.4 MeV and the level width is less than 0.4 MeV.
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    • 113-4-809.pdf (273.0Kb)
    Date
    • 2005
    Author
    • Htun Htun Oo
    • Khin Swe Myint
    • Kamada, Hiroyuki
    • Gloeckle, Walter
    Type
    • Article
    Publisher
    • Progress of Theoretical Physics
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