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Does Σ-Σ-α Form a Quasi-Bound State?
http://hdl.handle.net/20.500.12678/0000000789
http://hdl.handle.net/20.500.12678/0000000789a49b4598-c571-498d-8ec1-a7136117b5c9
b598263f-0740-4386-a974-2fbe2c5e4cf7
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113-4-809.pdf (280 Kb)
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Journal article | ||||||
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Publication | ||||||
Title | ||||||
Title | Does Σ-Σ-α Form a Quasi-Bound State? | |||||
Language | en | |||||
Publication date | 2005 | |||||
Authors | ||||||
Htun Htun Oo | ||||||
Khin Swe Myint | ||||||
Kamada, Hiroyuki | ||||||
Gloeckle, Walter | ||||||
Description | ||||||
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. | ||||||
Identifier | http://umoar.mu.edu.mm/handle/123456789/171 | |||||
Journal articles | ||||||
4 | ||||||
Progress of Theoretical Physics | ||||||
113 | ||||||
Conference papaers | ||||||
Books/reports/chapters | ||||||
Thesis/dissertations |