Coupled channel dynamics close to a threshold. phenomenology of the f0(975) meson |
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| Affiliation: | 1. Division of Psychiatry, Faculty of Medicine, National Yang-Ming University, Taipei, Taiwan;2. Department of Psychiatry, Taipei Veterans General Hospital, Taipei, Taiwan;3. Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan;4. Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan;5. Department of Psychiatry, General Cheng Hsin Hospital, Taipei, Taiwan |
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| Abstract: | A ππ and KK̄ coupled channels scheme, with separable s wave interaction, allows to discuss, from a hadronic point of view, some properties of the f0(975) meson. An intriguing case where the weak binding and narrow width are crucially related to the coupling of the channels leads to some interesting consequences for the f0(975) production in nuclear matter. |
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